Source
Integrations & API — found from sitemap — Constant Contact
Checked for Constant Contact on 26 Oct 2026
- Page
- https://v3.developer.constantcontact.com/api_guide/technology-partner-webhooks/webhooks-overview
- Checked
- 26 Oct 2026, 16:15 UTC
- How we may use it
- Public page, crawling permitted
Technical details
- type
- page
- http status
- 200
- content hash
- sha256:cf9d0faa74522d3cf9572362e5cf99f38886ee0e20b259230c0723d8115c0a81
- permission
- robots_ok
- screenshot
- Screenshot on file (internal exhibit, not published)
Cited by
Facts read from this source
-
Partner webhooks purpose Report an error
“Webhooks allow partners to subscribe to billing event notifications from Constant Contact. Partner webhooks eliminate the need for your integration to poll partner API methods for billing changes.”
-
Webhook topics Report an error
“1 Billing Tier Upgrade Executes when an account's billing tier is increased. tier.increase Critical { "url":"https://api.constantcontact.com/v3/partner/accounts/{account_id}/plan", "api_key":"{api key}", "event_type":"tier.increase" } 2 Billing Tier Downgrade Executes when an account's billing tier is downgraded tier.decrease Critical”
-
Webhook requirements Report an error
“An SSL certificate to allow Constant Contact to POST to your server over SSL (self-signed is acceptable but not preferred). A callback URL of your choice configured to handle POST requests and must use https.”
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Tls requirement Report an error
“The Constant Contact v3 API requires the use of SSL with TLS v1.2 and AES encryption or better for all API calls.”
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Retry policy Report an error
“Constant Contact retries all failed webhook notification requests every minute for up to an hour. The retry period is capped at a maximum of 1 hour (3600 seconds).”
-
Subscription workflow Report an error
“Step 1: Identify which topic you want to subscribe to. Step 2: Make a PUT call to subscribe to the topic. Step 3: Test your subscription.”
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Inbound network config Report an error
“However, in some cases, network configuration may be required to receive inbound requests, such as changes to your firewall rules.”
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