# Account Config — Domains & Signatures

## Domains

**GET** `/domains`

Headers:
- `Authorization`: `SALESBLINK_API_KEY`

List custom tracking domains for the account.

## Signatures

**GET** `/signatures`

Headers:
- `Authorization`: `SALESBLINK_API_KEY`

List email signatures.

> Signature IDs can be referenced when adding senders via the `signature_id` field. You can pass either the signature ID or its name.