Colombia Western Union

Production

https://api.paypaga.com

POST

/v2/transactions/pay-in

Channel

Cash

Amount

While ISO 4217 defines COP as having 2 decimal places in practice these are not used. Amounts in COP must be an integer amount with no decimal places.

Valid:
3724
193457345

Invalid:
3724.00
3724.50

Payment Instructions

To complete your payment, use the following reference and agreement code.

Request

Authorization

OAuth 2.0

Client Credentials

Add the parameter

Authorization

to Headers，whose value is to concatenate the Token after the Bearer.

Example:

Authorization: Bearer ********************

Token URL: https://api.paypaga.com/oauth2/token

Body Params application/jsonRequired

Examples

Responses

🟢201

application/json

Pay-in accepted.

Headers

Bodyapplication/json

Request Example

Shell

JavaScript

Java

Swift

curl --location 'https://api.paypaga.com/v2/transactions/pay-in' \
--header 'Content-Type: application/json' \
--data-raw '{
    "amount": 1000,
    "country": "CO",
    "currency": "COP",
    "payment_method": "wu",
    "merchant_order_reference": "ORDER-2026-0014",
    "merchant_transaction_reference": "TRX-2026-0014",
    "merchant_customer_id": "customer@email.com",
    "customer_ip": "120.29.48.92",
    "return_urls": {
        "success_url": "https://merchant.com/payment-success",
        "failure_url": "https://merchant.com/payment-failure",
        "cancel_url": "https://merchant.com/payment-cancelled"
    }
}'

Response Example

{
    "transaction_id": "20260205-1419-4c8b-8c1d-7e5a9c3f0c3a",
    "payment_method_reference": 129930,
    "expires_at": "2026-06-09T14:13:05.143073869Z",
    "instructions": {
        "reference": 90917276820,
        "agreement_code": "110342"
    }
}

Modified at 2026-06-09 11:39:20

Colombia Susuerte

Ecuador Bank Transfer

Colombia Western Union

Channel#

Amount#

Payment Instructions#

Request

Responses

Channel

Amount

Payment Instructions