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Chainlink External Adapter for Paypal

External adapter connecting to the Paypal payouts API using the Paypal payout SDK

Disclaimer
In order to use this adapter, you will need to create an account with and obtain credentials from PayPal and agree to and comply with PayPal’s applicable terms, conditions and policies. In no event will SmartContract Chainlink Limited SEZC be liable for your or your user’s failure to comply with any or all of PayPal’s terms, conditions or policies or any other applicable license terms.

Environment Variables

Required? Name Description Options Defaults to
✅ CLIENT_ID API access credential
✅ CLIENT_SECRET API access credential
MODE Parameter for determining a live or sandbox environment sandbox, live sandbox

Input Parameters

Required? Name Description Options Defaults to
endpoint The Paypal endpoint to use sendpayout, getpayout sendpayout

Send Payout Endpoint

Endpoint used to send currency to a specified receiver.

Input Params

Required? Name Description Options Defaults to
✅ amount Amount to send as a string
currency Three-character ISO-4217 currency code. options USD
✅ receiver Specified receiver matching the recipient_type
recipient_type The type of receiver EMAIL, PHONE, PAYPAL_ID EMAIL
note Custom note for payout
sender_item_id Custom sender-specified ID for payout
email_subject Custom email subject for the payment notification
email_message Custom email message for the payment notification

Sample Input

{
  "id": "1",
  "data": {
    "endpoint": "sendpayout",
    "amount": "1.00",
    "receiver": "test@test.com",
    "recipient_type": "EMAIL",
    "note": "test transaction",
    "sender_item_id": "0x00",
    "email_subject": "hello!",
    "email_message": "this is the first tx"
  }
}

Sample Output

{
  "jobRunID": "1",
  "result": {
    "batch_header": {
      "payout_batch_id": "EVFRQ73UQ3PQU",
      "batch_status": "PENDING",
      "sender_batch_header": {
        "sender_batch_id": "mqr",
        "recipient_type": "EMAIL",
        "email_subject": "hello!",
        "email_message": "this is the first tx"
      }
    },
    "links": [
      {
        "href": "https://api.sandbox.paypal.com/v1/payments/payouts/EVFRQ73UQ3PQU",
        "rel": "self",
        "method": "GET",
        "encType": "application/json"
      }
    ]
  },
  "statusCode": 201,
  "data": {
    "result": {
      "batch_header": {
        "payout_batch_id": "EVFRQ73UQ3PQU",
        "batch_status": "PENDING",
        "sender_batch_header": {
          "sender_batch_id": "mqr",
          "recipient_type": "EMAIL",
          "email_subject": "hello!",
          "email_message": "this is the first tx"
        }
      },
      "links": [
        {
          "href": "https://api.sandbox.paypal.com/v1/payments/payouts/EVFRQ73UQ3PQU",
          "rel": "self",
          "method": "GET",
          "encType": "application/json"
        }
      ]
    }
  }
}

Get Payout Endpoint

Endpoint used to get information about a transaction or batch of transactions.

Input Params

Required? Name Description Options Defaults to
✅ payout_id ID of the payout batch or item to lookup
type Type of payout to lookup ITEM, BATCH BATCH

Sample Input

{
  "id": "1",
  "data": {
    "endpoint": "getpayout",
    "payout_id": "Y7L245ABZLPZU",
    "type": "ITEM"
  }
}

Sample Output

{
  "jobRunID": "1",
  "result": {
    "payout_item_id": "Y7L245ABZLPZU",
    "transaction_id": "96877893GC888820F",
    "activity_id": "322381265N9335843",
    "transaction_status": "SUCCESS",
    "payout_item_fee": {
      "currency": "USD",
      "value": "0.02"
    },
    "payout_batch_id": "DNPMSBKRYB4AN",
    "sender_batch_id": "a513191600c8fc240450ba26fd99e784",
    "payout_item": {
      "recipient_type": "EMAIL",
      "amount": {
        "currency": "USD",
        "value": "1.00"
      },
      "note": "Here's your payment",
      "receiver": "test@test.com",
      "sender_item_id": "001",
      "recipient_wallet": "PAYPAL"
    },
    "time_processed": "2021-04-07T15:35:13Z",
    "links": [
      {
        "href": "https://api.sandbox.paypal.com/v1/payments/payouts-item/Y7L245ABZLPZU",
        "rel": "self",
        "method": "GET",
        "encType": "application/json"
      },
      {
        "href": "https://api.sandbox.paypal.com/v1/payments/payouts/DNPMSBKRYB4AN",
        "rel": "batch",
        "method": "GET",
        "encType": "application/json"
      }
    ]
  },
  "statusCode": 200,
  "data": {
    "result": {
      "payout_item_id": "Y7L245ABZLPZU",
      "transaction_id": "96877893GC888820F",
      "activity_id": "322381265N9335843",
      "transaction_status": "SUCCESS",
      "payout_item_fee": {
        "currency": "USD",
        "value": "0.02"
      },
      "payout_batch_id": "DNPMSBKRYB4AN",
      "sender_batch_id": "a513191600c8fc240450ba26fd99e784",
      "payout_item": {
        "recipient_type": "EMAIL",
        "amount": {
          "currency": "USD",
          "value": "1.00"
        },
        "note": "Here's your payment",
        "receiver": "test@test.com",
        "sender_item_id": "001",
        "recipient_wallet": "PAYPAL"
      },
      "time_processed": "2021-04-07T15:35:13Z",
      "links": [
        {
          "href": "https://api.sandbox.paypal.com/v1/payments/payouts-item/Y7L245ABZLPZU",
          "rel": "self",
          "method": "GET",
          "encType": "application/json"
        },
        {
          "href": "https://api.sandbox.paypal.com/v1/payments/payouts/DNPMSBKRYB4AN",
          "rel": "batch",
          "method": "GET",
          "encType": "application/json"
        }
      ]
    }
  }
}

Testing

For end to end testing, the environment variables described above must be set.

Additionally, the following is required:

  • For e2e/getPayout.test.ts, the following environment variables need to be set with parameters that can be retrieved by the CLIENT_ID and CLIENT_SECRET in the sandbox
export PAYOUT_ID_BATCH='batch payout ID'
export PAYOUT_ID_ITEM='batch item payout ID'
  • For e2e/sendPayout.test.ts, the account associated with the CLIENT_ID and CLIENT_SECRET in the sandbox must have a balance that can be sent.