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POST
/
v2
/
onramp
/
sessions
Create an onramp session
curl --request POST \
  --url https://api.cdp.coinbase.com/platform/v2/onramp/sessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "purchaseCurrency": "USDC",
  "destinationNetwork": "base",
  "destinationAddress": "0x71C7656EC7ab88b098defB751B7401B5f6d8976F",
  "paymentAmount": "100.00",
  "paymentCurrency": "USD",
  "paymentMethod": "CARD",
  "country": "US",
  "subdivision": "NY",
  "redirectUrl": "https://yourapp.com/success",
  "clientIp": "127.0.0.1"
}'
{
  "session": {
    "onrampUrl": "https://pay.coinbase.com/buy?sessionToken=abc123F"
  },
  "quote": {
    "paymentTotal": "100.75",
    "paymentSubtotal": "100.00",
    "paymentCurrency": "USD",
    "purchaseAmount": "100.000000",
    "purchaseCurrency": "USDC",
    "destinationNetwork": "base",
    "fees": [
      {
        "type": "FEE_TYPE_EXCHANGE",
        "amount": "0.5",
        "currency": "USD"
      },
      {
        "type": "FEE_TYPE_NETWORK",
        "amount": "0.25",
        "currency": "USD"
      }
    ],
    "exchangeRate": "1"
  }
}

Authorizations

​
Authorization
string
header
required

A JWT signed using your CDP API Key Secret, encoded in base64. Refer to the Generate Bearer Token section of our Authentication docs for information on how to generate your Bearer Token.

Body

application/json
​
purchaseCurrency
string
required

The ticker (e.g. BTC, USDC, SOL) or the Coinbase UUID (e.g. d85dce9b-5b73-5c3c-8978-522ce1d1c1b4) of the crypto asset to be purchased.

Use the Onramp Buy Options API to discover the supported purchase currencies for your user's location.

Example:

"USDC"

​
destinationNetwork
string
required

The name of the crypto network the purchased currency will be sent on.

Use the Onramp Buy Options API to discover the supported networks for your user's location.

Example:

"base"

​
destinationAddress
string
required

The address the purchased crypto will be sent to.

Example:

"0x71C7656EC7ab88b098defB751B7401B5f6d8976F"

​
paymentAmount
string

A string representing the amount of fiat the user wishes to pay in exchange for crypto.

Example:

"100.00"

​
paymentCurrency
string

The fiat currency to be converted to crypto.

Example:

"USD"

​
paymentMethod
enum<string>

The type of payment method used to generate the onramp quote.

Available options:
CARD,
ACH,
APPLE_PAY,
PAYPAL,
FIAT_WALLET,
CRYPTO_WALLET
Example:

"CARD"

​
country
string

The ISO 3166-1 two letter country code (e.g. US).

Example:

"US"

​
subdivision
string

The ISO 3166-2 two letter state code (e.g. NY). Only required for US.

Example:

"NY"

​
redirectUrl
string

URL to redirect the user to when they successfully complete a transaction. This URL will be embedded in the returned onramp URL as a query parameter.

Example:

"https://yourapp.com/success"

​
clientIp
string

The IP address of the end user requesting the onramp transaction.

Example:

"127.0.0.1"

Response

Onramp session created successfully.

​
session
object
required

An onramp session containing a ready-to-use onramp URL.

Example:
{
  "onrampUrl": "https://pay.coinbase.com/buy?sessionToken=abc123F"
}
​
quote
object

Quote information with pricing details for the crypto purchase.

Example:
{
  "paymentTotal": "100.75",
  "paymentSubtotal": "100.00",
  "paymentCurrency": "USD",
  "purchaseAmount": "100.000000",
  "purchaseCurrency": "USDC",
  "destinationNetwork": "base",
  "fees": [
    {
      "type": "FEE_TYPE_EXCHANGE",
      "amount": "0.5",
      "currency": "USD"
    },
    {
      "type": "FEE_TYPE_NETWORK",
      "amount": "0.25",
      "currency": "USD"
    }
  ],
  "exchangeRate": "1"
}
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