Track usage
GET /v1/usage?from=2026-10-01&to=2026-11-01 returns your metered use by product, as billed. Without dates it covers the current month to now. With a test key it returns the account's test use, and livemode is false.
Test use is free. See the usage response fields.
Need the contract? Download OpenAPI. Manage keys and account access in the developer console.