Request headers · 1
Authentication.
Authorizationstringrequired
Production API key. Pass it as Bearer ax_live_…
Returns · 200
The standard { data, meta } envelope. data contains UsageOut.
Envelope
dataUsageOut
A single result object.
metaMeta
Pagination and request metadata, including request_id, data_as_of, and ontology_version.
UsageOut
key_prefixstring
First 8 characters of the API key for identification.
tierstring
Current pricing tier (e.g. 'free', 'pro').
requests_todayinteger
Number of API requests made today.
daily_limitinteger | null
Daily request limit for current tier, null if unlimited.
burst_limitinteger
Max requests per second for current tier.
Errors
Standard HTTP status codes plus a typed error.code in the { error: { code, message } } envelope.
Every endpoint returns the same typed error envelope ({ error: { code, message } }). For the full list of codes, see the Errors reference.