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ART19 Content API Documentation

The ART19 Content API conforms to the JSON:API specification. API requests **MUST** use the HTTP Accept header: `Accept: application/vnd.api+json` API requests **MUST** be authenticated using the HTTP Authorization header: `Authorization: Token token="your-token", credential="your-credential"` ## General Notes Some query parameters use unencoded [ and ] characters simply for readability. Defaults, examples, and possible values are additionally rendered in double quotes for readability. In practice, query parameters should not have quotes around the values (e.g., `foo=bar` is valid, not `foo="bar"`), and both query parameter keys and values must be percent-encoded, per the requirements in RFC 3986 § 3.4. ## Rate Limiting In order to provide a fair distribution of available resources, all API calls are subject to rate limits. If you exceed the number of API calls per minute granted to your credential, a `429 Too Many Requests` error response will be returned. In that case, a `Retry-After` header MAY be included in the response, describing the number of seconds after which a request can be retried. If you run into a high number of 429 errors, please reach out to ART19 Support to adjus

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Record checkpoints

  1. First observed: Sep 20, 2026
  2. Last directory-field change: Sep 20, 2026
  3. Current source observation: Sep 20, 2026

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