API guide

4 articles

• AuthenticationWhere to get your Base URL and how each protocol authenticates — Bearer, x-api-key, x-goog-api-key.
• Chat completionsRequest/response structure, streaming, and the equivalent endpoints in the Anthropic and Gemini protocols.
• Error codesWhat 401 / 403 / 404 / 429 / 5xx mean, a five-step triage, and practices that prevent errors.
• Models: browse and chooseFilter the marketplace by modality, read billing types and context length, and copy model IDs.