---
title: "Generate Polygon private key"
method: POST
path: "/v3/polygon/wallet/priv"
tags: ["Polygon - Tatum API"]
---

# Generate Polygon private key

`POST /v3/polygon/wallet/priv`

## Request

- Base URL: `https://api.tatum.io`
- URL: `https://api.tatum.io/v3/polygon/wallet/priv`
- Auth: API key in header `x-api-key`

/v3/polygon/wallet/priv

**

1 credit per API call

**

Generate private key of address from mnemonic for given derivation path index. Private key is generated for the specific index - each mnemonic can generate up to 2^31 private keys starting from index 0 until 2^31.

## Request body

- PrivKeyRequest
  - `index` integer, required: Derivation index of private key to generate.
  - `mnemonic` string, required: Mnemonic to generate private key from.

## Response `200`

OK

- PrivKey
  - `key` string: Generated private key.

## Other responses

- `400`: Bad Request
- `401`: Unauthorized. Not valid or inactive subscription key present in the HTTP Header.
- `500`: Internal server error. There was an error on the server during the processing of the request.

---

[API](https://skmtc.dev/tatum/apis/blockchain.md) - [All operations](https://skmtc.dev/tatum/apis/blockchain/llms.txt) - [OpenAPI document](https://skmtc.dev/tatum/apis/blockchain/revisions/f9623a85f420?raw)