generated: '2026-07-19' method: searched source: https://docs.higgsfield.ai/docs/how-to/introduction + https://docs.higgsfield.ai/docs/how-to/sdk docs: https://docs.higgsfield.ai/docs/how-to/introduction description: >- The Higgsfield API authenticates with an API key and secret issued from the Higgsfield Cloud dashboard (cloud.higgsfield.ai). Credentials are sent on the Authorization header using the custom "Key" scheme: "Authorization: Key {api_key}:{api_key_secret}". There is no OAuth 2.0 / OIDC scope surface on the REST API (OAuth is used only for the remote MCP server). The OpenAPI document does not declare securitySchemes; this profile is captured from the developer docs. summary: types: - http api_key_in: - header oauth2_flows: [] schemes: - name: HiggsfieldKey type: http scheme: Key in: header header: Authorization format: "Key {api_key}:{api_key_secret}" description: >- Custom Authorization scheme. The value is the literal word "Key" followed by the API key and secret joined with a colon. Generate credentials in the Higgsfield Cloud dashboard. sources: - https://docs.higgsfield.ai/docs/how-to/introduction credentials: dashboard: https://cloud.higgsfield.ai/ sdk_env_vars: - HF_KEY # "your-api-key:your-api-secret" - HF_API_KEY - HF_API_SECRET