> For the complete documentation index, see [llms.txt](https://aliniex.gitbook.io/alix-pay/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aliniex.gitbook.io/alix-pay/guides/on-off-ramp-service/api-integration/on-ramp.md).

# On-Ramp

## On- ramp

* **BUY TOKEN INTERFACE** 
  * Step 1: Your platform should get the fiat currencies for On-Ramp service supported by Alix Pay via [API](/alix-pay/api-reference/on-off-ramp-api/pre-on-off-ramp-order/get-supported-fiat-currencies.md)
  * Step 2: Your platform should get the crypto currencies for On-Ramp service supported by Alix Pay via [API](/alix-pay/api-reference/on-off-ramp-api/pre-on-off-ramp-order/get-supported-crypto-currencies.md)
* **BUY TOKEN**
  * Step 3: When the end-user enter the amount of token they would like to buy. Your platform should get the actual price via [API](/alix-pay/api-reference/on-off-ramp-api/pre-on-off-ramp-order/get-price-of-crypto-currency-by-fiat-currency.md)
* **AUTHENICATION**
  * Step 4: When the end-user confirm that, they would like to buy the token. They need to provider email address. Your platform should use the [API](/alix-pay/api-reference/on-off-ramp-api/authenication/verify-user-email.md) to send the OTP with 6 digits 
* **OTP VERIFICATION**
  * Step 5: The end-user should enter the OTP with 6 digits ( expired in time) in their email. Your platform will do the verification via [API](/alix-pay/api-reference/on-off-ramp-api/authenication/verify-user-email.md) 
* **CONFIRM ORDER**
  * Step 6: After user verification, your platform should start to create a buy order via [API](/alix-pay/api-reference/on-off-ramp-api/on-ramp/create-on-ramp-order.md)
  * Step 7: After the buy order created. Your platform can monitoring the status by get the order details via API

<figure><img src="/files/0R1P5GcwamFxAZLpkEjw" alt=""><figcaption></figcaption></figure>


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