---
title: "Retrieve a particular transaction's contacts. Currently just phone numbers"
method: GET
path: "/transactions/{id}/contacts"
tags: ["transactions-transactions"]
---

# Retrieve a particular transaction's contacts. Currently just phone numbers

`GET /transactions/{id}/contacts`

## Path parameters

- `id` string, uuid, required

## Response `200`

Success

- TransactionContactsDTO
  - `customerPhoneNumber` string
  - `merchantPhoneNumber` string

## Other responses

- `400` — Bad request
- `401` — Unauthorized request
- `500` — Server error

## Changes

- **2026-07-26** `a3c4e2742615` — 2 info
  - the endpoint scheme security `HMACAuth` was added to the API
  - the endpoint scheme security `authToken` was removed from the API

[Change history](https://skmtc.dev/nestechops/apis/onboard-external-api-gateway/changes/transactions/:id/contacts/get.md)

---

[API](https://skmtc.dev/nestechops/apis/onboard-external-api-gateway.md) · [All operations](https://skmtc.dev/nestechops/apis/onboard-external-api-gateway/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/nestechops/onboard-external-api-gateway/revisions/76329919f8a7/schema)