Protocol Lab / Live endpoint

AI API compatibility tester

Test whether an OpenAI-compatible or Anthropic endpoint actually supports the protocol features your application depends on.

POST/chat/completions→SSE→TOOLS→JSON

Configure a test run

Use a low-quota test key whenever possible

Protocol

API Base URL

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API Key

Model name

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lockYour key is used only for this test and is not stored. The run sends several small generation requests and may consume a small number of tokens.

Seven independent checks, not a single ping

view_list

Validates /models shape and model exposure

chat_bubble

Validates messaging and core response fields

stream

Validates text/event-stream and SSE events

build

Forces a ping tool call and checks its shape

data_object

Requests structured JSON and validates parsing

image

Sends a 1×1 test image to validate vision input

error

Uses an invalid model to validate error shape

fact_check

Your report will appear here

Complete the endpoint details above and run the test. Each capability will receive an independent result with HTTP status and latency.