Developer Platform

Connect CheckThenSend to your own applications using scoped API keys, signed webhooks and automated scan workflows.

Authentication Scoped API keys

Events Signed webhooks

Scanning Text + file APIs

API keys

Create scoped credentials for server-to-server CheckThenSend integrations.

Key name

Rate limit / minute

Webhooks

Send CheckThenSend events to your application as documents move through the workflow.

Webhook name

Endpoint URL

API quick start

Send document text to CheckThenSend from another application.

POST /api/integrations/quick-check Authorization: Bearer cts_api_... Content-Type: application/json { "text": "Document text to review", "country": "GLOBAL", "language": "auto" }

API credentials are secrets. Store them server-side and do not expose them in browser JavaScript, public repositories, screenshots or client-side applications.