---
title: "Get campaign IDs from a creation transaction hash"
method: GET
path: "/v4/campaigns/tx"
tags: ["Campaigns"]
---

# Get campaign IDs from a creation transaction hash

`GET /v4/campaigns/tx`

Retrieve the campaign ID(s) created by a given campaign-creation transaction hash.

## Query parameters

- `hash` string, required
- `chainId` union, required
  - string, numeric
  - number

## Response `200`

Response for status 200

- string[]

---

[API](https://skmtc.dev/merkl/apis/merkl-api.md) · [All operations](https://skmtc.dev/merkl/apis/merkl-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/merkl/merkl-api/revisions/b7784c9a78b9/schema)