I get 403 FEATURE_NOT_AVAILABLE or FORBIDDEN

Last updated: September 20, 2026

FEATURE_NOT_AVAILABLE

Your plan does not include the feature that you used. The message names the plan that includes it.

Solution: open the upgrade_url in the response and change your plan.

Features by plan:

  • Batch lookups: BLAPI-500KPM.
  • longer_bin_available signal: BLAPI-150KPM and BLAPI-500KPM.

FORBIDDEN

Your API key does not have the permission for this endpoint.

Solution: create a new key. If the error continues, contact support.