messaging mock APIs
2 hosted mocks tagged messaging. All free, all instant, all derived from the providers' published OpenAPI specs.
Podium Workflows
Mock the Podium Workflows API to test customer-messaging, review-collection, and CRM-integration flows without a paid Podium account.
78 endpoints
Resend
Mock the Resend transactional email API to develop send, batch, domain, API-key, audience, and contact flows without firing real messages or burning a sandbox quota.
22 endpoints