Anthropic | Gateway AI

Transparent proxy to the Anthropic API. Your request is forwarded unmodified — the gateway only swaps your proxy key for the real Anthropic API key. Use exactly the same request body you would send to api.anthropic.com/v1/messages. The gateway sets anthropic-version: 2023-06-01 if you don’t include it.

Authentication

AuthorizationBearer

Your proxy key (starts with sk-proxy-…). Create one in the dashboard at app.trygateway.ai.

Request

This endpoint expects an object.

modelstringRequired

Anthropic model identifier

messageslist of objectsRequired

max_tokensintegerRequired

Required by Anthropic — maximum tokens to generate

systemstringOptional

System prompt

streambooleanOptionalDefaults to false

temperaturedoubleOptional

Response

Anthropic messages response (returned unmodified from Anthropic)

Your proxy key (starts with sk-proxy-…). Create one in the dashboard at app.trygateway.ai.

This endpoint expects an object.

Anthropic model identifier

Required by Anthropic — maximum tokens to generate

Anthropic messages response (returned unmodified from Anthropic)

$	curl -X POST https://api.trygateway.ai/anthropic/v1/messages \
>	-H "Authorization: Bearer <token>" \
>	-H "Content-Type: application/json" \
>	-d '{
>	"model": "claude-sonnet-4-6",
>	"messages": [
>	{
>	"role": "user",
>	"content": "string"
>	}
>	],
>	"max_tokens": 1
>	}'

$	curl -X POST https://api.trygateway.ai/anthropic/v1/messages \
>	-H "Authorization: Bearer <token>" \
>	-H "Content-Type: application/json" \
>	-d '{
>	"model": "claude-sonnet-4-6",
>	"messages": [
>	{
>	"role": "user",
>	"content": "string"
>	}
>	],
>	"max_tokens": 1
>	}'