Docs

Connect your tools, pick a model, start building.

Connect your tools

sk-relay-... in the examples is a placeholder. Replace it with the full API key you created; never use the masked prefix, and never put keys in browser-side code or public repositories.

API endpoints

OpenAI Base URLhttps://189.24.66.33/v1

Anthropic Base URLhttps://189.24.66.33

Getting started

About 黑曜One endpoint, many models.QuickstartFrom creating a key to your first request.Two formats, one pipelineOpenAI and Anthropic clients both work directly.Client integrationsConnect your agents, editors and SDKs.

Clients & agents

Run Codex CLI on itThe Responses format, served directly with no shim.Run Claude Code on itThe Anthropic message format, no proxy in between.Run the DeepSeek Harness on itA provider entry for any OpenAI-compatible tool.OpenAI APIUse the familiar Chat Completions format.Anthropic APIConnect existing clients via the Messages API.

APIs & models

The catalogueFind model IDs, context and prices.Tool callingWhich models have it and how to send your first call.StreamingReceive responses incrementally and read final usage.Endpoint referenceTwo base URLs, every endpoint at a glance.

Account & spend

KeysCreate, send and protect your API key.Spend capsHow holds, settlement and daily quotas bound your spend.BillingBalance, held and available — kept as integers.Signed request receiptsEvery response carries a receipt you can verify.RetentionWhat the log keeps, and what it never keeps.

Troubleshooting

Errors & troubleshootingFind the next step from a status code.Known limitsWhat is not available, and why.