Email Marketing & Newsletter
Constant Contact
Provenance unknown Report an error0–5 in half steps. 5 means the rubric's top anchor is met on the evidence.
by Constant Contact Inc. · www.constantcontact.com
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Constant Contact at a glance
- Vendor
- Constant Contact Inc.
- Headquarters
- Not stated on the vendor’s pages as of 26 Oct 2026
- Data hosting
- Not stated on the vendor’s pages as of 26 Oct 2026
- Free plan
- Not stated on the vendor’s pages as of 26 Oct 2026
- Panel verdict
- The AI panel rates Constant Contact 1.5/5, the mean of 6 judges. Constant Contact's documentation shows a platform whose strength is list control: exports cover all contact fields including custom fields by default, with opt-in and opt-out source, date and reason attached; imports take up to 40,000 contacts per call; and dynamic segments re-evaluate on tracked opens, clicks, tags and list membership. how scores are made
- As of
- Vendor pages captured 26 Oct 2026; evaluated by the panel 27 Oct 2026. all sources
Read this page as one judge. Each weighs the same scores by what they care about.
The panel's verdict
Constant Contact's documentation shows a platform whose strength is list control: exports cover all contact fields including custom fields by default, with opt-in and opt-out source, date and reason attached; imports take up to 40,000 contacts per call; and dynamic segments re-evaluate on tracked opens, clicks, tags and list membership. The bench scored list and data control at 5 to 6 and integrations at 4 to 6, crediting a versioned REST API with per-endpoint scopes and open-source SDKs. Deliverability scores cluster at 2: bounce reporting is the only documented infrastructure, and judges found no public information on SPF, DKIM, DMARC, sending domains or complaint handling. Sovereignty scores range 0 to 1 — the record carries no sovereignty attributes, and the judges found no public information on hosting, contracting entity or subprocessors. Campaign and automation clusters at 4: segmentation is documented, but the judges found no public information on journey builders or triggered sequences, and A/B testing covers subject line only, winners chosen on raw opens. The captured pages state no prices; pricing transparency is reported but not counted.
Speaks for it
- Contact export covers all contact fields including custom fields by default, carrying opt-in and opt-out source, date and reason.
- Imports accept CSV or JSON payloads of up to 40,000 contacts, with partial updates for existing contacts.
- Dynamic segments combine tracked sends, opens and clicks with contact details, list membership and tags through eight documented operators.
- The v3 REST API is documented with per-endpoint scopes and privileges, backed by open-source SDKs on GitHub.
- Bounce reports classify seven codes from non-existent to blocked and are filterable per campaign through the reporting API.
Held against it
- Deliverability scores cluster at 2, with the judges finding no public information on SPF, DKIM, DMARC, custom sending domains or complaint handling.
- Sovereignty scores range 0 to 1: no sovereignty attributes are on record, and the judges found no public information on hosting location, contracting entity or subprocessors.
- Imported contacts land with permission set to Implicit by default, and the judges found no public information on double opt-in or on switching off open and click tracking.
- The judges found no public information on a journey builder, triggered sequences or a campaign editor, and A/B tests support subject line only, with the winner picked on the highest number of contact opens.
- The captured pages state no prices, the only pricing signal being partner webhook events for billing-tier changes.
Best for
- You need a documented way in and out for your contact data — full-fidelity CSV export with consent provenance and imports of up to 40,000 contacts per call.
- Your developers build and maintain custom tooling against a versioned REST API with documented scopes and open-source SDKs.
- You target recipients with dynamic segments built from tracked opens, clicks, tags and list membership, rather than pre-built lifecycle flows.
Avoid if
- You need multi-step automation such as abandoned-cart or post-purchase journeys — campaign and automation tops out at 4, and the judges found no public information on a journey builder or triggered sequences.
- Your procurement requires documented data residency, a contracting entity or a subprocessor list — ask the vendor: the public pages we read do not show it
- You must verify email authentication before signing — deliverability scores cluster at 2 and the only documented infrastructure there is bounce reporting.
- Your compliance process assumes explicit consent at import — the documented default permission for newly imported contacts is Implicit.
The scores
| Criterion | Panel median |
|---|---|
| Campaigns & automation | 2 of 5 |
| Deliverability infrastructure | 1 of 5 |
| Consent, proof & tracking limits | 1.5 of 5 |
| List ownership, import & exit | 3 of 5 |
| Integrations & API | 2.5 of 5 |
| European sovereignty | 0.5 of 5 |
Campaigns & automation
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How this is scored
Building the mail and the journey around it: editor, templates, segmentation, triggered sequences, A/B testing.
0 — One-off broadcasts from a fixed template; no segmentation and no automation of any kind.
3 — A drag-and-drop editor and simple list segmentation, but automation is a single welcome mail and there is no testing.
5 — Reusable templates, attribute and behaviour segmentation, multi-step automations on common triggers, and subject-line A/B testing.
8 — A visual journey builder with branching on behaviour and data, dynamic content per segment, send-time optimisation, and testing that reports significance rather than raw counts.
10 — Journeys treat the whole lifecycle: event-driven entry from other systems, branching on any attribute or event, holdout groups for measurement, and automations a marketer can read months later without a diagram.
The CRM Manager
Segments are genuinely dynamic — criteria on tracked opens, clicks, list membership and tags — and subject-line A/B tests exist with configurable test size and the winner auto-sent to remaining contacts, but the winner is simply the subject line with the highest raw open count, not a test that reports significance. I found no public information on any journey builder, triggered sequences or multi-step automation, which is the core of a lifecycle programme. Also limiting: only one segment per campaign activity, segments cannot be combined with lists, and the UI evaluates tracking data across at most five campaigns. 1 2
The Deliverability Engineer
Dynamic segmentation on tracked opens and clicks with eight operators is genuinely documented, and subject-line A/B tests with automatic winner send exist — though the winner is chosen on the highest raw open count, not statistical confidence. We found no public information on a journey builder, triggered multi-step automations, reusable templates, or send-time optimisation, so the lifecycle side of this capability has no documented support. 1 2
The Data Protection Officer
Segmentation is genuinely strong — dynamic segments built from tracked opens, clicks and sends plus contact attributes, list membership and tags — and subject-line A/B testing exists with automatic winner send. But the winner is chosen on raw open counts, testing covers subject lines only, and we found no public information on a journey builder, triggered sequences or reusable templates, so the automation half of this criterion rests on nothing I can see. 1 2
The Shop Owner
Dynamic segments that re-evaluate on tracked opens, clicks, contact details and tags, plus subject-line A/B testing with an automatic winner send, are well documented — though the only test variable is the subject line and the winner is picked on raw open counts. For a shop that lives on abandoned-cart and post-purchase flows, we found no public information on any journey builder, triggered sequence or event-driven entry. I can target buyers precisely; I cannot see a way to automate around them. 1 2
The Integrator
Dynamic segmentation across tracked behaviour, contact details, list membership and tags is documented in real depth, alongside subject-line A/B testing that auto-sends the winner based on raw open counts. We found no public information in the captured pages on a campaign editor, reusable templates, triggered sequences or a journey builder. 1 2
The Skeptic
Segmentation is the real thing here — dynamic segments built from contact fields, tags, list membership and tracked opens and clicks, with a documented operator set — and subject-line A/B testing auto-sends the winner to the remaining contacts. But the winner is decided on raw open counts, subject line is the only testable variable, and we found no public information on a campaign editor, reusable templates, send-time optimisation, or any multi-step automation or journey builder. 1 2
Deliverability infrastructure
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How this is scored
Whether the mail arrives — authentication, sending reputation, bounce and complaint handling — judged on what the vendor documents rather than the inbox rate it advertises.
0 — No documentation of authentication or bounce handling; deliverability appears only as a marketing number.
3 — SPF and DKIM setup documented, but no DMARC guidance, no stated bounce policy and shared sending only.
5 — SPF, DKIM and DMARC documented with a custom sending domain, automatic hard-bounce suppression, and complaint-loop handling stated.
8 — The above plus dedicated-IP options with a documented warm-up, seed or inbox-placement testing, engagement-based sunsetting, and published guidance on list hygiene.
10 — Deliverability is operated as a service: reputation monitoring surfaced to the customer, per-domain and per-ISP diagnostics, enforced authentication before first send, and postmaster or blocklist handling the vendor documents doing on the customer's behalf.
The CRM Manager
Bounce reporting is properly documented with granular codes — non-existent, undeliverable, suspended, blocked — retrievable per campaign activity through the API. But I found no public information on SPF, DKIM or DMARC setup, custom sending domains, complaint-loop handling or a stated suppression policy in the captured pages; being able to diagnose bounces is not the same as documentation that the mail arrives. 3
The Deliverability Engineer
The one piece of real infrastructure documented is bounce discipline: a seven-code taxonomy from non-existent to blocked, filterable bounce reporting per campaign, and addresses "suspended from delivery" after being reported non-existent. On everything I actually buy on — SPF, DKIM, DMARC, custom sending domains, dedicated IP options, warm-up, complaint-loop handling, engagement-based sunsetting — we found no public information, so mail authentication is never shown at all. 3
The Data Protection Officer
Bounce handling is documented in real detail — categorised codes for non-existent, undeliverable, suspended and blocked addresses, with a stated suspension from delivery for addresses reported non-existent. We found no public information on SPF, DKIM or DMARC setup, custom sending domains, complaint-loop handling or list-hygiene guidance, so the authentication side of deliverability has nothing behind it in the captured pages. 3
The Shop Owner
The one documented piece is bounce reporting: codes distinguishing non-existent, undeliverable, suspended and blocked addresses, with suspended addresses held back from delivery. We found no public information on SPF, DKIM or DMARC setup, custom sending domains, complaint-loop handling or dedicated-IP options, so nothing documented here tells me whether my mail arrives. 3
The Integrator
Bounce handling is documented operationally — seven classified bounce codes including suspended and blocked, retrievable per campaign through the reporting API — but that is the only piece evidenced. We found no public information on SPF, DKIM or DMARC setup, sending domains, dedicated IPs or complaint handling. 3
The Skeptic
The bounce taxonomy is documented in real depth — seven codes from non-existent to blocked, per-campaign bounce reports filterable by code, and a "suspended from delivery" state — though that is reporting, not a stated suppression policy. We found no public information on SPF, DKIM or DMARC setup, custom sending domains, dedicated IP options, warm-up or complaint-loop handling; the TLS requirement quoted covers API calls, not mail authentication. 3 6
Consent, proof & tracking limits
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How this is scored
How subscribers arrive and what the sender can prove afterwards: double opt-in, logged consent, unsubscribe handling, and whether open and click tracking can be limited or switched off.
0 — Single opt-in with no consent record; tracking is always on and cannot be disabled.
3 — Double opt-in available but not the default, and the consent record is a timestamp without the source, IP or the wording consented to.
5 — Double opt-in as the documented default with a stored consent record including source and timestamp, one-click unsubscribe, and tracking that can be turned off per campaign.
8 — Consent is reproducible as evidence: the confirmation mail and form wording versioned and retrievable per subscriber, unsubscribe honoured across lists, tracking off-by-default available, and retention rules for inactive subscribers.
10 — Built for the burden of proof: a per-subscriber consent history an authority would accept, documented handling of Art. 15 access and Art. 17 erasure requests, pixel-free and link-tracking-free sending as a supported mode, and preference-centre granularity rather than all-or-nothing.
The CRM Manager
The consent trail is thin: contact imports set permission to Implicit by default for new contacts, though opt-in source and date, and opt-out source, date and reason are stored and exportable per contact. I found no public information on double opt-in, unsubscribe handling mechanics, or any way to limit or switch off open and click tracking. 4 5
The Deliverability Engineer
The stored record is stronger than a bare timestamp — opt-in source and date plus opt-out source, date and reason are exportable fields, and SMS imports can carry an explicit consent date. But new contacts default to Implicit permission on import, and we found no public information on double opt-in, on unsubscribe handling across lists, or on any way to switch open and click tracking off. 4 5
The Data Protection Officer
The consent record has substance — opt-in source and date, and opt-out source, date and reason are stored and exportable per contact, which is more than a bare timestamp. But imports set permission to Implicit by default for every new contact, we found no public information on double opt-in anywhere in the captured pages, and nothing on whether open and click tracking can be switched off, which is the question that decides my sign-off. 4 5
The Shop Owner
Opt-in and opt-out are stored with source, date and reason and are exportable per contact, which is more than a bare timestamp. But imported contacts land as "Implicit" permission by default, and we found no public information on double opt-in, on one-click unsubscribe handling, or on switching open and click tracking off — the tracking reports run on opens and clicks with no documented off-switch. 3 4 5
The Integrator
The contact model stores opt-in and opt-out with source, date and reason, all exportable, which is a real proof asset beyond a bare timestamp, and SMS imports can carry explicit consent with a consent date. However, new contacts created by import default to implicit permission, and we found no public information on double opt-in, on unsubscribe mechanics, or on any way to limit or switch off open and click tracking. 4 5
The Skeptic
The export schema carries opt-in and opt-out source, date and reason per contact, which is more than a bare timestamp, and SMS consent can be recorded as explicit with a consent date. Against that, the documented default permission for new contacts created in an import is "Implicit", and we found no public information on double opt-in, unsubscribe mechanics, retention rules, or any way to limit or switch off open and click tracking. 4 5
List ownership, import & exit
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How this is scored
Whether the list and its history remain the sender's: import with attributes intact, full export including engagement history, deletion that executes, and no metering that prices leaving out of reach.
0 — Export is addresses only; engagement history, segments and automations cannot leave.
3 — CSV import and export of subscriber fields, but engagement history and unsubscribe state are not exportable.
5 — Full subscriber export including custom attributes, subscription status and unsubscribe state, plus API access sufficient to sync elsewhere.
8 — Everything exportable in open formats — subscribers, engagement history, campaigns and templates — with documented deletion of a subscriber across all records, and no export throttling.
10 — Exit is a documented feature: full-fidelity export of the whole account, contractual data return, deletion that is evidenced rather than asserted, and migration tooling in both directions.
The CRM Manager
Export is a documented CSV activity covering all contact fields including custom fields, filterable to active, unsubscribed or removed status, with opt-in and opt-out state exportable — a real exit path for subscriber data — and import handles CSV and JSON with partial updates and custom fields. Engagement history is not part of that export; it lives in separate reporting endpoints, and I found no public information on documented deletion of a subscriber across all records. 4 5
The Deliverability Engineer
Subscriber-level exit is real: the CSV export covers all contact fields including custom ones by default, carries the unsubscribe state and the full opt-out trail, and filters by list, segment or status; import takes 40,000 rows with custom fields intact and partial updates. We found no public information on exporting engagement history, campaigns or templates, or on documented deletion of a subscriber across all records. 4 5
The Data Protection Officer
Export covers all contact fields including custom ones, with subscription status and unsubscribe state carried along, and the import path takes CSV or JSON with custom attributes intact up to 25 headings — the list can leave and be rebuilt elsewhere. What I could not find is engagement history leaving with the subscriber, or documented deletion of a contact across all records; the only deletion documented is a soft-delete for segments. 2 4 5
The Shop Owner
Export is a documented two-step CSV activity that by default covers all contact fields including custom fields, with subscription status and opt-in/opt-out details, and import comes back through JSON or CSV endpoints — the sync-in-both-directions story is real. Engagement history, though, only surfaces in per-campaign reports rather than in the subscriber export, and we found no public information on exporting campaigns and templates or on how deletion of a subscriber is executed. 2 3 4 5
The Integrator
Import and export are documented thoroughly enough to build a sync on: CSV and JSON imports up to 40,000 contacts, and a CSV export covering custom fields, subscription status and unsubscribe source with date, filterable by list or segment. Engagement data is reachable only as per-campaign reports, and we found no public information on documented subscriber deletion, on export throttling, or on exporting campaigns and templates. 3 4 5
The Skeptic
Contact export is full-fidelity for subscriber data — CSV including custom fields by default, filterable by status including unsubscribed and removed, with opt-in and opt-out provenance attached — and imports round-trip at up to 40,000 contacts per call. We found no public information on bulk export of engagement history, campaigns or templates, or on documented deletion of a subscriber across all records; the segment-tracking UI evaluates only five campaigns. 2 4 5
Integrations & API
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How this is scored
The connection surface a newsletter lives on: shop and CRM systems, events in and out, webhooks, and an API somebody can build against without a partner agreement.
0 — No API and no named integrations; the list is maintained by CSV upload.
3 — A handful of native integrations and a read-mostly API, with no webhooks and no documented rate limits.
5 — Named integrations for common shop and CRM systems, a documented REST API with keys, and webhooks for the core subscriber events.
8 — Maintained bidirectional integrations with named systems including at least one major shop platform, event webhooks with retries, documented rate limits, and a sandbox.
10 — The tool is a component rather than a destination: transactional and marketing sending on one API, events flowing both directions, versioned API with a deprecation policy, and integrations the vendor maintains rather than lists.
The CRM Manager
The V3 REST API is well documented with per-endpoint scopes and privileges, open-source SDKs in six languages, and webhooks with a stated retry policy of every minute for up to an hour. However, the documented webhook topics are partner billing events — tier changes and account cancellation — rather than subscriber or campaign events, and I found no public information on named shop or CRM integrations, documented rate limits, or a sandbox. 5 6 7
The Deliverability Engineer
The V3 API is one somebody can build against: documented scopes and privileges, campaign scheduling, segment and A/B endpoints, open-source SDKs in five languages, and partner webhooks that retry every minute for up to an hour. But the only documented webhooks carry partner billing events, and we found no public information on named shop or CRM integrations, subscriber-event webhooks, documented rate limits, or a sandbox. 5 6 7
The Data Protection Officer
The V3 API is properly documented with per-endpoint privileges and scopes, open-source SDKs in six languages, and webhooks with a stated retry policy — though the documented webhook events are partner billing notifications rather than subscriber events. We found no public information on named shop or CRM integrations, documented rate limits, or a sandbox, which is what separates a good API from a real connection surface. 5 6 7
The Shop Owner
The v3 REST API is genuinely buildable: scoped keys, read-write endpoints for contacts, segments and campaign scheduling, open-source SDKs in seven languages, and webhooks that retry every minute for up to an hour. But those webhooks only cover partner billing events, and we found no public information on webhooks for contact or commerce events, on named shop or CRM integrations, or on rate limits and a sandbox — nothing here gets my orders, carts and products flowing in. 1 5 6 7
The Integrator
The V3 REST API is genuinely buildable — a versioned base path, per-endpoint scopes and privileges, a documented TLS floor, open-source SDKs on GitHub, and a webhook retry policy spelled out at one-minute intervals capped at an hour. But the documented webhooks are partner-facing billing notifications only, and we found no public information on webhooks for subscriber events, rate limits, a sandbox, a deprecation policy, or any named shop or CRM integration. 1 5 6 7
The Skeptic
The v3 REST API is comprehensive and honestly documented — campaign creation, A/B tests, segments, imports, scheduling and reporting, each with scopes and privileges, plus six open-source SDKs — so a developer can build against it without a partner agreement. The only webhooks documented are partner billing notifications (tier increase, tier decrease, account cancel, account disable) with a one-hour retry cap, which is billing-tier telemetry rather than subscriber events; we found no public information on named shop or CRM integrations, rate limits, or a sandbox. 1 3 6 7
European sovereignty
panel opinion
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How this is scored
Where subscriber data and behavioural tracking live, who the contracting entity is, and which subprocessors touch the send. Independently sourced by the sovereignty pipeline; scored here as this buyer weighs it — which in this category is heavily.
0 — US vendor and contracting entity, US hosting, subprocessors unnamed; subscriber behaviour leaves the EU with no stated basis.
3 — EU hosting offered as an option or for storage only, while sending, tracking or support access remains non-EU, or the subprocessor list is absent.
5 — EU hosting as standard and an EU contracting entity, but parts of the chain — sending infrastructure, analytics, support tooling — are non-EU without an explained safeguard.
8 — EU or DACH hosting with a named data-centre provider, EU contracting entity, complete subprocessor list published, and any non-EU processing named with its legal basis.
10 — Sovereign end to end and evidenced: vendor, entity, hosting, sending and every subprocessor in the EU, certification published, and no transfer that needs a Schrems II argument to survive.
The CRM Manager
No sovereignty attributes are on record for this vendor: I found no public information on hosting location, contracting entity, or any subprocessor list in the captured pages, and nothing that names where subscriber behavioural data is processed. For a criterion this buyer weighs heavily, a wholly undocumented chain sits near the floor. 6
The Deliverability Engineer
Nothing on record: we found no public information on where subscriber data or behavioural tracking is hosted, on the contracting entity, or on any subprocessor, and no certification appears in the captured pages. For a buyer who weighs this heavily, silence on every sovereignty question earns the floor. 7
The Data Protection Officer
No sovereignty attributes are on record: I found no public information on hosting location, an EU contracting entity, a published subprocessor list, or the legal basis on which a US-incorporated vendor receives the behavioural record of European subscribers. As the officer who has to answer where the open, click and bounce data lives without a Schrems II argument, this criterion fails my sign-off on its own. 3 6
The Shop Owner
No sovereignty attributes are on record for this vendor: we found no public information on where subscriber data and tracking are hosted, on the contracting entity, or on any subprocessor list. Nothing in the captured pages places any part of the sending or tracking chain inside the EU. 6 7
The Integrator
We found no public information on where subscriber data is hosted, who the contracting entity is, or which subprocessors touch a send; the only regional signal in the captured pages is contact phone validation written for US numbers. Since this buyer weighs sovereignty heavily and the record is silent on every question it asks, this sits at the bottom of the scale. 5
The Skeptic
No sovereignty attributes are on record for this vendor, and the captured developer pages name no hosting provider, contracting-entity option, or subprocessor. We found no public information on where subscriber data or behavioural tracking is processed, and nothing suggesting a European residency option — which this buyer weighs heavily. 5 7
Pricing transparency
not rated — the vendor publishes no price
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How this is scored
Whether a sender can compute the real invoice for their list size and send volume — including overage, extra domains and automation limits — from public pages alone.
0 — No public prices at all; every tier is a sales conversation.
3 — A headline price per contact tier exists, but send limits, overage rates or the tier where automation begins are not stated.
5 — Contact-tier prices public with the billing period stated and send limits given, but at least one commonly needed capability sits in an unpriced tier or add-on.
8 — Every tier priced publicly with contact and volume limits, overage rates, feature boundaries and VAT treatment stated; only genuinely custom volume lacks a number.
10 — Complete price computability: a calculator producing the annual invoice for a given list size and send frequency, including overage, additional domains and dedicated IPs.
The CRM Manager
I found no public information on prices, contact tiers, send limits or overage rates anywhere in the captured pages; the only billing content is partner webhook events for tier changes, which describe mechanics, not amounts. A sender cannot compute an invoice from what is captured. 6
The Deliverability Engineer
We found no public price information at all — no tier figures, no send limits, no overage rates, nothing to compute an invoice from. The only pricing-adjacent fact is a partner webhook that fires on billing-tier changes, which confirms tiers exist without stating a single figure. 6
The Data Protection Officer
We found no public information on pricing: no tier prices, no send limits, no overage rates, no VAT treatment. The only pricing-adjacent fact captured is that partner webhooks fire on billing-tier changes, which tells me tiers exist but not what any of them costs. 6
The Shop Owner
The only pricing-adjacent fact anywhere is that billing tiers exist — webhook events fire when a tier increases or decreases. We found no public prices, send limits, overage rates or VAT treatment, so I cannot put an invoice on my list size and send volume from what is published here. 6
The Integrator
No public price appears anywhere in the captured pages; the only pricing signal is that billing tiers exist at all, evidenced by webhook events for tier upgrades and downgrades. A buyer cannot compute any invoice from what was captured. 6
The Skeptic
The only pricing signal in the captured material is webhook vocabulary — billing "tier increase" and "tier decrease" events — which confirms a contact-tier staircase exists while stating no price for it. We found no public information on tier prices, send limits, overage rates, where capabilities such as automation or A/B testing begin, or VAT treatment. 6
Questions about Constant Contact
Is Constant Contact European?
Not determined: the vendor’s pages as captured do not say where Constant Contact is based.
Where does Constant Contact store data?
Not stated on the vendor’s pages as of 26 Oct 2026.
Does Constant Contact have a free plan?
Not stated on the vendor’s pages as of 26 Oct 2026.
What are the best alternatives to Constant Contact?
As of 26 Oct 2026, the panel rates Brevo (3/5), CleverReach (3/5) and Mailchimp (3/5) highest among the other 28 Email Marketing & Newsletter products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The highest-rated European alternative is Brevo (EU-Made). Ratings are the AI panel’s opinion, formed from public evidence: how scores are made. The full list, with European products first: Constant Contact alternatives.
Where this could be wrong
- Evidence ages. The oldest capture behind this page is from 26 Oct 2026. Vendors change pricing and policies without notice; every fact reflects its source as of the capture date shown in the registry.
- AI can misread a source. Extraction and judgement are automated; a citation guarantees traceability, not infallibility. If something here is wrong, say so — no account needed, every report is decided within 5 business days, and accepted corrections are published.
What we left out
A claim that does not survive our checks costs us the claim, not the page. This is what was taken off this one.
- We found no public information on pricing on the pages we read (v3.developer.constantcontact.com/api_guide/email-campaigns-a-b-tests/ab-tests-overview, v3.developer.constantcontact.com/api_guide/segments/segments-overview, v3.developer.constantcontact.com/api_guide/email-reporting/email-reporting-bounces, v3.developer.constantcontact.com/api_guide/bulk-activity-endpoints/bulk-activities-export-contacts, v3.developer.constantcontact.com/api_guide/bulk-activity-endpoints/bulk-activities-import-contacts, v3.developer.constantcontact.com/api_guide/technology-partner-webhooks/webhooks-overview and 1 more). If the vendor publishes it somewhere else, send us the page. Know more? Tell us
- 1 integrations fact could not be confirmed on the vendor’s page as captured and was left out of this page and of the panel’s material. Know more? Tell us
Sources (7)
The pages every claim on this page was read from — each one checked, dated, and kept verifiable.
- 1 Campaigns & automation — found from sitemap v3.developer.constantcontact.com Checked 26 Oct 2026 Details →
- 2 Campaigns & automation — found from sitemap v3.developer.constantcontact.com Checked 26 Oct 2026 Details →
- 3 Deliverability infrastructure — found from sitemap v3.developer.constantcontact.com Checked 26 Oct 2026 Details →
- 4 List ownership, import & exit — found from sitemap v3.developer.constantcontact.com Checked 26 Oct 2026 Details →
- 5 List ownership, import & exit — found from sitemap v3.developer.constantcontact.com Checked 26 Oct 2026 Details →
- 6 Integrations & API — found from sitemap v3.developer.constantcontact.com Checked 26 Oct 2026 Details →
- 7 Integrations & API — found from sitemap v3.developer.constantcontact.com Checked 26 Oct 2026 Details →