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Passage ConnectAPI ReferenceWebhook Verification Key

Webhook Verification Key

Fetch the public key used to verify webhook signatures.

Request

POST /webhook_verification_key/get

Body

FieldTypeRequiredDescription
kidstringYesKey ID from the webhook JWT header

Response

200 OK

{ "kid": "key_abc123", "kty": "EC", "crv": "P-256", "x": "...", "y": "..." }

Notes

  • This is a public endpoint — no API key required
  • The kid is found in the JWT header of the webhook payload
  • Keys use ES256 (ECDSA with P-256 and SHA-256)

Next steps

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