Process Checkout
Request body for attempting payment on an existing checkout. The required companion fields depend on the selected `payment_type`, for example card details, saved-card data, or payer information required by a specific payment method.
PaymentsPoint-of-SaleCard ReadersCheckoutFintechMobile PaymentsOnline Payments
{
"$schema": "http://json-schema.org/draft-07/schema#",
"title": "Process Checkout",
"description": "Request body for attempting payment on an existing checkout. The required companion fields depend on the selected `payment_type`, for example card details, saved-card data, or payer information required by a specific payment method.",
"type": "object",
"properties": {
"payment_type": {
"description": "Payment method used for this processing attempt. It determines which additional request fields are required.",
"type": "string",
"example": "card",
"enum": [
"card",
"boleto",
"ideal",
"blik",
"bancontact",
"google_pay",
"apple_pay"
]
},
"installments": {
"description": "Number of installments for deferred payments. Available only to merchant users in Brazil.",
"type": "integer",
"example": 1,
"maximum": 12,
"minimum": 1
},
"mandate": {
"$ref": "#/components/schemas/MandatePayload"
},
"card": {
"$ref": "#/components/schemas/Card"
},
"google_pay": {
"description": "Raw `PaymentData` object received from Google Pay. Send the Google Pay response payload as-is.",
"type": "object",
"example": {
"apiVersionMinor": 0,
"apiVersion": 2,
"paymentMethodData": {
"description": "Visa \u2022\u2022\u2022\u2022 1111",
"tokenizationData": {
"type": "PAYMENT_GATEWAY",
"token": "token-data"
},
"type": "CARD",
"info": {
"cardNetwork": "VISA",
"cardDetails": "1111"
}
}
}
},
"apple_pay": {
"description": "Raw payment token object received from Apple Pay. Send the Apple Pay response payload as-is.",
"type": "object",
"example": {
"token": {
"paymentData": {
"data": "si2xuT2ArQo689SfE-long-token",
"signature": "MIAGCSqGSIb3DQEHA-long-signature",
"header": {
"publicKeyHash": "PWfjDi3TSwgZ20TY/A7f3V6J/1rhHyRDCspbeljM0io=",
"ephemeralPublicKey": "MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEaBtz7UN2MNV0qInJVEEhXy10PU0KfO6KxFjXm93oKWL6lCsxZZGDl/EKioUHVSlKgpsKGin0xvgldfxeJVgy0g==",
"transactionId": "62e0568bc9258e9d0e059d745650fc8211d05ef7a7a1589a6411bf9b12cdfd04"
},
"version": "EC_v1"
},
"paymentMethod": {
"displayName": "MasterCard 8837",
"network": "MasterCard",
"type": "debit"
},
"transactionIdentifier": "62E0568BC9258E9D0E059D745650FC8211D05EF7A7A1589A6411BF9B12CDFD04"
}
}
},
"token": {
"description": "Saved-card token to use instead of raw card details when processing with a previously stored payment instrument.",
"type": "string",
"example": "ba85dfee-c3cf-48a6-84f5-d7d761fbba50"
},
"customer_id": {
"description": "Customer identifier associated with the saved payment instrument. Required when `token` is provided.",
"type": "string",
"example": "MEDKHDTI"
},
"personal_details": {
"$ref": "#/components/schemas/PersonalDetails"
}
},
"required": [
"payment_type"
]
}
Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for schemas
4 MCP tools reach this
find_json_schemasBrowse and filter every JSON Schema in the catalog.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.
All 92 tools
Call it yourself
curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/processcheckout"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no email required.
A second provider on the same verified email joins the account you already have.