Outage in Constant Contact
V3 API Access Token Issue
Resolved MajorIncident Report
We are experiencing an issue with generating new access tokens. Requests to obtain tokens for our V3 API are currently returning HTTP 400, with the errorSummary "Bad request. Accept and/or Content-Type headers likely do not match supported values." Existing tokens are not affected. Our engineers are aware of this issue and working to resolve it as quickly as possible
Components affected
Constant Contact API's and IntegrationsTrusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Start Free Trial
- No credit card
- 14-day trial
- 2-minute setup
Latest Updates ( sorted recent to last )
RESOLVED
12 months ago - at 04/30/2025 03:51PM
The root cause of this issue has been identified and resolved. Token generation function has been restored.
INVESTIGATING
12 months ago - at 04/30/2025 03:13PM
We are experiencing an issue with generating new access tokens. Requests to obtain tokens for our V3 API are currently returning HTTP 400, with the errorSummary "Bad request. Accept and/or Content-Type headers likely do not match supported values." Existing tokens are not affected. Our engineers are aware of this issue and working to resolve it as quickly as possible
Latest Constant Contact outages
Slow navigation loading times - 24 days ago
Email Delivery Delays - about 2 months ago
Slow account navigation and sending campaigns - 2 months ago
Email Delivery Delays due to Microsoft Outage - 3 months ago
Delays in test email delivery - 5 months ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
