# Environment Domains
source: https://developer.mastercard.com/token-requestor-identifier-api/documentation/environment-domains/index.md

### On-board a Token Requestor {#on-board-a-token-requestor}

* Sandbox
* MTF
* Production

```Sandbox
https://sandbox.api.mastercard.com/customer-id-assignments/token-requestors/batches
```

```MTF
https://api.mastercard.com/customer-id-assignments/mtf/token-requestors/batches
```

```Production
https://api.mastercard.com/customer-id-assignments/token-requestors/batches
```

### Update a Token Requestor {#update-a-token-requestor}

* Sandbox
* MTF
* Production

```Sandbox
https://sandbox.api.mastercard.com/customer-id-assignments/token-requestors/batches
```

```MTF
https://api.mastercard.com/customer-id-assignments/mtf/token-requestors/batches
```

```Production
https://api.mastercard.com/customer-id-assignments/token-requestors/batches
```

### Search for a Token Requestor {#search-for-a-token-requestor}

* Sandbox
* MTF
* Production

```Sandbox
https://sandbox.api.mastercard.com/customer-id-assignments/token-requestors/searches
```

```MTF
https://api.mastercard.com/customer-id-assignments/mtf/token-requestors/searches
```

```Production
https://api.mastercard.com/customer-id-assignments/token-requestors/searches
```