---
title: "Changes to Initiate Signature Challenge"
method: POST
path: "/api/agreement/v1/contract-revisions/{id}/signatures/{slotCode}/otp-challenges"
---

# Changes to Initiate Signature Challenge

`POST /api/agreement/v1/contract-revisions/{id}/signatures/{slotCode}/otp-challenges`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 8 of 66 revisions.

- **2026-10-19** `75957f6bdc66`: 4 warning
- **2026-09-24** `1aa7b6ad5bcc`: 2 warning
- **2026-06-04** `d1729646b766`: 2 warning
- **2026-05-29** `a598446f8093`: 2 info
- **2026-05-26** `7cee7b14bf6f`: 2 warning, 1 info
- **2026-05-12** `5b038eea902d`: 8 warning
- **2026-04-08** `36609d47a3a7`: 2 info
- **2026-03-20** `0734563de56e`: 1 info

## Changes

- **2026-10-19** `75957f6bdc66`: 4 warning
  - added the new `EXPORT_CAPACITY_EXHAUSTED` enum value to the `type` response property for the response status `404`
  - added the new `EXPORT_CAPACITY_EXHAUSTED` enum value to the `type` response property for the response status `500`
  - added the new `EXPORT_LIMIT_EXCEEDED` enum value to the `type` response property for the response status `404`
  - added the new `EXPORT_LIMIT_EXCEEDED` enum value to the `type` response property for the response status `500`
- **2026-09-24** `1aa7b6ad5bcc`: 2 warning
  - added the new `UID_CLAIM_MISSING` enum value to the `type` response property for the response status `404`
  - added the new `UID_CLAIM_MISSING` enum value to the `type` response property for the response status `500`
- **2026-06-04** `d1729646b766`: 2 warning
  - added the new `DATA_PROVIDER_ERROR` enum value to the `type` response property for the response status `404`
  - added the new `DATA_PROVIDER_ERROR` enum value to the `type` response property for the response status `500`
- **2026-05-29** `a598446f8093`: 2 info
  - removed the `DATA_PROVIDER_ERROR` enum value from the `type` response property for the response status `404`
  - removed the `DATA_PROVIDER_ERROR` enum value from the `type` response property for the response status `500`
- **2026-05-26** `7cee7b14bf6f`: 2 warning, 1 info
  - added the new `DATA_PROVIDER_ERROR` enum value to the `type` response property for the response status `404`
  - added the new `DATA_PROVIDER_ERROR` enum value to the `type` response property for the response status `500`
  - added the new optional `query` request parameter `actingRole`
- **2026-05-12** `5b038eea902d`: 8 warning
  - added the new `OTP_EXPIRED` enum value to the `type` response property for the response status `404`
  - added the new `OTP_EXPIRED` enum value to the `type` response property for the response status `500`
  - added the new `OTP_INVALID` enum value to the `type` response property for the response status `404`
  - added the new `OTP_INVALID` enum value to the `type` response property for the response status `500`
  - added the new `OTP_LOCKED` enum value to the `type` response property for the response status `404`
  - added the new `OTP_LOCKED` enum value to the `type` response property for the response status `500`
  - added the new `OTP_RESEND_COOLDOWN` enum value to the `type` response property for the response status `404`
  - added the new `OTP_RESEND_COOLDOWN` enum value to the `type` response property for the response status `500`
- **2026-04-08** `36609d47a3a7`: 2 info
  - api operation id `initiateConsumerSignatureChallenge` removed and replaced with `initiateSignatureChallenge`
  - the security scope `agridata.ch.Agridata_Datenanbieter` was added to the endpoint's security scheme `SecurityScheme`
- **2026-03-20** `0734563de56e`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/agridata/apis/agridata-ch-api/docs/api/agreement/v1/contract-revisions/:id/signatures/:slotCode/otp-challenges/post.md) - [API](https://skmtc.dev/agridata/apis/agridata-ch-api.md) - [Page](https://skmtc.dev/agridata/apis/agridata-ch-api/changes/api/agreement/v1/contract-revisions/:id/signatures/:slotCode/otp-challenges/post)