An order form has been marked as signed

An order form has been marked as signed. An order is created from it in the same transaction, so an order.created event follows. This is a premium feature.

postWebhookorder_form_signed

Headers

X-Lago-Signaturestring required

Example:AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8=

Signature of the webhook payload. The format depends on X-Lago-Signature-Algorithm: hmac is the Base64 encoding of an HMAC-SHA256 digest of the payload, jwt is an RS256 JSON Web Token (a string starting with eyJ).

X-Lago-Signature-Algorithm'jwt' | 'hmac' required

Example:hmac

Algorithm used to generate the signature

X-Lago-Unique-Keystring uuid required

Example:1a901a90-1a90-1a90-1a90-1a901a901a90

Unique id of the webhook. It can be used for idempotency

Payload

webhook_type'order_form.signed' required

object_type'order_form' required

organization_idstring uuid required

Unique identifier of the organization, created by Lago.

Example payload

{
  "organization_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
  "order_form": {
    "lago_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
    "number": "OF-2026-0001",
    "status": "generated",
    "void_reason": "manual",
    "expires_at": "2026-06-30T23:59:59Z",
    "signed_at": "2026-04-29T08:59:51Z",
    "voided_at": "2026-04-29T08:59:51Z",
    "signed_document_url": "https://api.getlago.com/rails/active_storage/blobs/redirect/eyJfcmFpbHMi/OF-2026-0001",
    "lago_organization_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
    "lago_customer_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
    "lago_quote_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
    "lago_quote_version_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
    "created_at": "2026-04-29T08:59:51Z",
    "updated_at": "2026-04-29T08:59:51Z"
  }
}

Response

Return a 200 status to indicate that the data was received successfully

Changes

Webhooks have no change history: a webhook is keyed by its event name rather than a path and method, so no recorded change can name it.