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API Check

Check API compatibility and observable capabilities

Use your own temporary key to check the fixed response, returned model field, protocol shape, usage, streaming, and tool calling. Results describe compatibility and observable signals, not proof of the upstream model.

Test depth

The probes use only the key you enter and never consume DevPrice credits. Its provider determines the actual cost. DevPrice runs no requests beyond these probes.

What this version checks

01

Basic access

A small-output request checks the URL, authentication, and model access.

02

Protocol consistency

The fixed instruction response, core shape, returned model field, and token usage are inspected.

03

Capability integrity

Standard mode also checks SSE streaming and tool-call structure.

These signals can reveal protocol degradation, missing fields, and obvious model-name mismatches. OpenAI and Gemini do not expose a public cryptographic model signature, so one run cannot prove the upstream model.