> ## Documentation Index
> Fetch the complete documentation index at: https://docs.alignet.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Merchant registration

> Operations available to register, retrieve, and update Merchants.

Merchants occupy the last level in the specified entity hierarchy.

## Endpoints

| Method | Path                           | Description          | Who can invoke it             |
| ------ | ------------------------------ | -------------------- | ----------------------------- |
| `POST` | `/onboarding/merchants`        | Register a merchant. | Admin, Gateway, Acquirer, PF. |
| `GET`  | `/onboarding/merchants/{code}` | Retrieve a merchant. | Admin, Gateway, Acquirer, PF. |
| `PUT`  | `/onboarding/merchants/{code}` | Update a merchant.   | Admin, Gateway, Acquirer, PF. |

## Credentials

OAuth credential generation is configurable with `generate_credentials: "true"` or `"false"`.

<Warning>
  When generated, the `client_id` and `client_secret` are displayed only once during registration. Store them securely.
</Warning>

<Card title="View synchronization" icon="arrows-rotate" href="/en/onboarding/ecommerce-authorization-flow">
  Review how registered data becomes available to the authorization flow.
</Card>