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Quantum Planning API

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Rate limits

Protect shared pilot infrastructure while keeping integration tests unblocked.

Default policy

The backend enforces 120 requests per minute per API key by default. Operators can override with the QTANGL_RATE_LIMIT_PER_MINUTE environment variable on the server.

429 response

HTTP

HTTP/1.1 429 Too Many Requests

Client patterns

  • Token-bucket or leaky-bucket limiter in your integration layer.
  • Exponential backoff with jitter on 429.
  • Cache optimize results when inputs have not changed.

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