# Upload an exemption certificate

> POST /exemptions/{exemption_id}/certificates

Source: https://docs.trykintsugi.com/reference/2026-07-21/upload-an-exemption-certificate

POST /exemptions/{exemption_id}/certificates

Upload an exemption certificate

Attach a certificate document to an exemption in the resolved organization, as `multipart/form-data` with the file in the `file` part. The file must be a PDF and at most 10 MB. Returns the stored certificate's metadata; fetch its bytes with `GET /exemptions/{exemptionId}/certificates/{certificateId}`. Returns 404 if the exemption does not exist, is archived, or belongs to an organization your credential cannot access.

Category: Exemptions

Path parameters:
exemption_id (string, required) - The unique identifier of the exemption.

Response fields:
id (string, required) - Kintsugi's unique identifier for the certificate document.
fileName (string, required) - Name the file was uploaded under.
mimeType (string, required) - Media type of the file.
fileSizeBytes (integer, required) - Size of the file in bytes.

Response statuses: 201, 400, 401, 403, 404, 409, 413, 422

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