---
title: "Subscribe to a specific contract event signature"
method: POST
path: "/events/subscribe"
tags: ["Tracker Event"]
---

# Subscribe to a specific contract event signature

`POST /events/subscribe`

## Request body

- object
  - `contractAddress` string, required
  - `eventName` string, required
  - `eventParams` object[], required
    - `type` string, required
    - `value` string
    - `indexed` boolean
  - `callbackUrl` string, uri, required
  - `networkId` string, required

## Response `201`

Subscription created

- EventSubscription
  - `id` string, required
  - `userId` string, required
  - `contractAddress` string, required
  - `eventName` string, required
  - `eventParams` object[], required
    - `type` string
    - `value` string
    - `indexed` boolean
  - `callbackUrl` string, uri, required
  - `networkId` string, required
  - `successful` boolean, required
  - `createdAt` string, date-time, required

## Other responses

- `400` — Bad request
- `401` — Unauthorized — missing or invalid credentials

---

[API](https://skmtc.net/overledger/apis/overledger-server.md) · [All operations](https://skmtc.net/overledger/apis/overledger-server/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/overledger/overledger-server/versions/dd31e0a52064/schema)