Developer Documentation

Build on Chronosfy

REST API with OpenAPI 3.1, MCP server for AI agents, webhook subscriptions, and API keys — everything you need to integrate recurring billing into your stack.

REST API

87+ endpoints covering CRM, recurrences, actions, payments, events, and webhooks. Full OpenAPI 3.1 spec with Scalar-powered interactive docs.

GET /api/crm/personsPOST /api/recurrencesPOST /api/actions/:id/executeGET /api/payments/chargesPOST /api/events/webhooks

MCP Server (Model Context Protocol)

22 AI-ready tools that let Claude, GPT, or any MCP-compatible agent manage your Chronosfy account. Authenticated via JWT with full tenant isolation.

list_personscreate_personlist_recurrencespause_recurrencetrigger_recurrenceexecute_actionlist_charges

Webhook Subscriptions

Subscribe to any system event with automatic retries and HMAC-SHA256 signed payloads. Full delivery tracking and audit trail.

recurrence.completedpayment.succeededpayment.failedaction.deliveredperson.created

Authentication

JWT-based auth with access tokens (15min) and refresh tokens (7d). API keys with granular permissions for server-to-server integrations.

POST /api/auth/loginPOST /api/auth/registerPOST /api/auth/refreshPOST /api/settings/api-keys