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Use this page to find the correct API path before opening an endpoint reference. All Phaseo Gateway endpoints share one base URL and use bearer authentication.

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Choose your path

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Base URL

Production base URL:
All endpoint paths in this reference are relative to that /v1 base URL.

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OpenAPI

Use the OpenAPI file if you want to import the API into Postman, Hoppscotch, or an SDK generator.

Phaseo Gateway OpenAPI

View the specification file
The documentation and SDKs use this same specification. Video, Batch, and Decisions endpoints are labelled Beta; workspace preview access may be required.

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Authentication

Use a standard Gateway API key for inference and a management API key with the appropriate permissions for administration. See Authentication and Management API Keys.
If authentication fails, the API returns 401.

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API resources

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Billing and rate limits

  • Handle provider throttling and applicable access policies using the rate-limit guide.
  • Paid requests require enough wallet balance to pass the preflight credit check.
  • Free models with :free do not require deposited credits.
Last modified on October 18, 2026