# Exchanges

This section describes how to integrate the 1Money Network into an exchange. 

## Connect to the 1Money Network 

Make sure you are connected to the 1Money Network's [Rest API Endpoints and Websockets](/integrations/network-access.md). 

## Deposits

{% hint style="warning" %}
Note that the 1Money Network has checkpoints instead of blocks. You can think of a checkpoint as similar to the concept of a block in traditional blockchains. A checkpoint in the 1Money Network represents a specific point in time that captures the current state of each account, including newly distributed transaction fees credited to validators’ accounts.  

Learn more about checkpoints in the [system components section](/core-concepts/system-components.md). 
{% endhint %}

Exchanges should follow these steps for deposits: 

1. **Track the latest checkpoint and transaction data**
   * Use the [get checkpoint by latest number API](/integrations/rest-apis/checkpoints/get-checkpoint-by-number.md) to get the latest checkpoint number 
   * Compare the network's checkpoint number to your local checkpoint number and make sure they match
   * If they match, then use the [get checkpoint by number API](/integrations/rest-apis/checkpoints/get-checkpoint-by-number.md) to pull all the transaction data from that checkpoint  
     * Input the checkpoint number and set full=true. For example: <https://api.testnet.1money.network/v1/checkpoints/by_number?number=1000&full=true>
2. **Confirm customer deposit**&#x20;
   * Match your customer's address with the data structure in the transaction data queried in part 1 (above)&#x20;
   * Once the customer deposit is confirmed, credit the balance to your local database
   * As a check, exchanges can use the [get account balance API](broken://pages/8nPLuFVcftw3S5Vc0Jal) to ensure the customer deposits are correct compared to their local database&#x20;

## Withdrawals

To initiate a withdrawal, an exchange should:&#x20;

1. Prepare the transaction with a private key signature&#x20;
   * Use the[ submit payment API](/integrations/rest-apis/transactions/submit-payment.md) to prepare the transaction&#x20;
2. Send signed transaction to the network&#x20;

In special instances where a transaction is not approved by 2/3 of the validators, an exchange can cancel a transaction using the [submit cancellation API](broken://pages/CKlej1sznaNwkUBuKWCV).&#x20;

## How to check on the status of your transaction

Follow these steps to check on the status of your transaction:

1. Once you submitted a transaction, you will automatically get a hash as a return&#x20;
2. Use [Get Transaction Receipt by Hash](/integrations/rest-apis/transactions/get-transaction-receipt-by-hash.md) to check the transaction status

Note that transactions on the network are finalized instantly, so there is no need wait for a checkpoint to be generated.

## Additional Resources

* [**Transaction types**](/integrations/data-dictionary/transaction-types.md) — all possible transaction types, including relevant documentation


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