API Reference

The opntasks API is a REST API built on Fastify with JSON Schema validation. All endpoints accept and return JSON.

Base URL

https://api.opntasks.com/api/v1

Authentication

All API requests require an API key passed in the Authorization header:

Authorization: Bearer opntasks_sk_...

Rate limits

• 100 requests per minute per API key
• Rate limit headers are included in every response:
  • X-RateLimit-Limit
  • X-RateLimit-Remaining
  • X-RateLimit-Reset

Error format

{
  "statusCode": 400,
  "error": "Bad Request",
  "message": "body/title must be a string"
}

Endpoints