Dotagent

Opening workspace

Headers

Request and response headers the gateway and REST API read or set.

Request

Copy the model namepad/JPX is ready for any client

Example data

Header	Where	Meaning
`Authorization: Bearer ec_live_…`	Gateway	API key (checked first)
`x-api-key: ec_live_…`	Gateway	API key alternative
`x-ec-funding`	Gateway	allowance_then_balance, balance or allowance
`anthropic-version`	Gateway	Accepted on /v1/messages
`anthropic-beta`	Gateway	Forwarded upstream on /v1/messages
`Idempotency-Key`	REST writes	8 to 128 of letters, digits, _ or -

Response

Open the receiptMoney and tokens, never content

Example data

Header	Where	Meaning
`x-ec-receipt`	Gateway	Receipt id
`x-ec-funding`	Gateway	allowance, balance or test
`x-ec-model`	Gateway	Served model id
`x-ec-route`	Gateway	primary, fallback-1 or fallback-2
`x-ec-version`	Gateway	Endpoint version
`x-ec-cost-micro, x-ec-fee-micro, x-ec-markup-micro`	Gateway	Exact charge (JSON); hold estimate (stream)
`x-ec-hold-micro`	Gateway, streams	Amount held for the call
`x-ec-test-left`	Tests	Test budget left before this call
`retry-after`	REST 429 and 409	Seconds to wait
`idempotent-replayed`	REST	Answer is a stored replay
`x-ec-secret-withheld`	REST	A replayed key creation withheld the secret

Next steps

Funding headersSend x-ec-funding to pick the source of one call; the response says what paid.API referenceEvery route the backend serves today, with its authentication and response.