generated: '2026-07-18' method: searched source: https://cumuluslabs.io/ standards: - id: openai-chat-completions-compatible conforms: true evidence: >- Homepage documents an OpenAI-compatible HTTP gateway; quickstart swaps only the OpenAI SDK base_url to https://api.cumuluslabs.io/v1 and keeps existing code. Advertised drop-in for OpenAI, Anthropic, LangChain, LlamaIndex, and Vercel AI SDKs. - id: oauth2 conforms: false evidence: API-key/bearer authentication only; no OAuth flows documented. - id: rfc9457-problem-details conforms: false evidence: No published OpenAPI or error schema reviewed; not asserted. - id: fhir-r4 conforms: false - id: fapi conforms: false - id: scim conforms: false