---
title: "Changes to Signs a transaction using the specified relayer (Stellar only)."
method: POST
path: "/api/v1/relayers/{relayer_id}/sign-transaction"
---

# Changes to Signs a transaction using the specified relayer (Stellar only).

`POST /api/v1/relayers/{relayer_id}/sign-transaction`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 18 revisions.

- **2025-11-07** `d1f71894e671` — 2 breaking, 2 info
- **2025-10-31** `5487da58bf15` — 2 breaking, 2 info

## Changes

- **2025-11-07** `d1f71894e671` — 2 breaking, 2 info
  - removed `subschema #3` from the request body `oneOf` list
  - added `#/components/schemas/SignTransactionResponseSolana` to the `data` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/SignTransactionRequestSolana` to the request body `oneOf` list
  - removed `subschema #3` from the `data` response property `oneOf` list for the response status `200`
- **2025-10-31** `5487da58bf15` — 2 breaking, 2 info
  - removed `#/components/schemas/SignTransactionRequestSolana` from the request body `oneOf` list
  - added `subschema #3` to the `data` response property `oneOf` list for the response status `200`
  - added `subschema #3` to the request body `oneOf` list
  - removed `#/components/schemas/SignTransactionResponseSolana` from the `data` response property `oneOf` list for the response status `200`

---

[Operation](https://skmtc.dev/openzeppelin/apis/openzeppelin-relayer-api/docs/api/v1/relayers/:relayer_id/sign-transaction/post.md) · [API](https://skmtc.dev/openzeppelin/apis/openzeppelin-relayer-api.md) · [Page](https://skmtc.dev/openzeppelin/apis/openzeppelin-relayer-api/changes/api/v1/relayers/:relayer_id/sign-transaction/post)