SingIt Open SingIt

Documentation

API documentation

API reference for errors, limits, payments, security and common questions about SingIt Ask.

MCP key with spending limits: setup, refusal and revocation.

Reference

Use these references to handle API responses, choose payment offers and keep requests within your budget.

  • Errors

    HTTP statuses, stable codes and recovery.

  • Limits

    Free answers, request sizes and budgets.

  • How a payment is charged

    From a 402 challenge to a settled receipt.

  • Security

    Checks before signing and vulnerability reports.

  • FAQ

    Common integration questions.

Start with Developers. Machine-readable references: OpenAPI and llms.txt.