---
title: "Check whether the gas pump address with a specified index is activated"
method: GET
path: "/v3/gas-pump/activated/{chain}/{owner}/{index}"
tags: ["Gas pump"]
---

# Check whether the gas pump address with a specified index is activated

`GET /v3/gas-pump/activated/{chain}/{owner}/{index}`

## Request

- Base URL: `https://api.tatum.io`
- URL: `https://api.tatum.io/v3/gas-pump/activated/{chain}/{owner}/{index}`
- Auth: API key in header `x-api-key`

/v3/gas-pump/activated/{chain}/{owner}/{index}

**1 credit per API call**

Check whether the gas pump address with a specified index is [activated](#operation/ActivateGasPumpAddresses) and can send funds to other addresses.

You can use this API when a customer initiates a fund transfer and you need to check whether their gas pump address is allowed to send funds.

This API is supported for the following blockchains:

*   BNB Smart Chain
*   Celo
*   Ethereum
*   Harmony
*   Klaytn
*   Polygon
*   TRON

## Path parameters

- `chain` 'BSC' | 'CELO' | 'ETH' | 'MATIC' | 'KLAY' | 'ONE' | 'TRON', required
- `owner` string, required
- `index` number, required

## Response `200`

OK

- Activated
  - `activated` boolean: If set to "true", the gas pump address has been activated

## Other responses

- `400`: Bad Request
- `401`: Unauthorized. Not valid or inactive subscription key present in the HTTP Header.
- `403`: Forbidden. The request is authenticated, but it is not possible to perform the operation due to logical error or invalid permissions.
- `500`: Internal server error. There was an error on the server during the processing of the request.

---

[API](https://skmtc.dev/tatum/apis/smart-contracts.md) - [All operations](https://skmtc.dev/tatum/apis/smart-contracts/llms.txt) - [OpenAPI document](https://skmtc.dev/tatum/apis/smart-contracts/revisions/c0146043bb37?raw)