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POST
/
v1
/
payins
/
qr-code
curl --location --request POST 'https://stablecoin-api.sandbox.getmeru.com/v1/payins/qr-code' \
--header 'Content-Type: application/json' \
--header 'api-key: <api-key>' \
--data-raw '{
    "externalId": "EXT-10001",
    "orderId": "ORD-12345",
    "amount": 99.99,
    "taxAmount": 8.99,
    "currency": "USD",
    "expireAt": "2026-04-17T12:46:44.310Z",
    "onBehalfOf": "cus_123"
}'

{
  "success": true,
  "paymentId": "pay_3ddd0e5b-6276-4b48-b756-c1fcc9a2efd1",
  "qrCode": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...",
  "expireAt": "2026-04-17T12:46:44.310Z"
}

​
Body

​
externalId
string
Client reference id (must be unique per company). If omitted, defaults to orderId.
​
orderId
string
required
Client order identifier.
​
amount
number
required
Amount to be paid.
​
taxAmount
number
Tax portion (if applicable).
​
currency
string
Currency code (default USD).
​
expireAt
string
QR expiration timestamp (ISO-8601).
​
onBehalfOf
string
User/customer reference.

​
Response

​
success
boolean
Indicates whether the QR code payin was created successfully.
​
paymentId
string
The unique payment identifier generated by our system.
​
qrCode
string
The QR code image (base64-encoded data URL).
​
expireAt
string
The ISO 8601 timestamp when the QR code expires.
curl --location --request POST 'https://stablecoin-api.sandbox.getmeru.com/v1/payins/qr-code' \
--header 'Content-Type: application/json' \
--header 'api-key: <api-key>' \
--data-raw '{
    "externalId": "EXT-10001",
    "orderId": "ORD-12345",
    "amount": 99.99,
    "taxAmount": 8.99,
    "currency": "USD",
    "expireAt": "2026-04-17T12:46:44.310Z",
    "onBehalfOf": "cus_123"
}'

{
  "success": true,
  "paymentId": "pay_3ddd0e5b-6276-4b48-b756-c1fcc9a2efd1",
  "qrCode": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...",
  "expireAt": "2026-04-17T12:46:44.310Z"
}

​
Error Responses

{
  "success": false,
  "error": "externalId was already used"
}