Payments

Connect Adyen

Your application calls one EchoRelay URL. When Adyen changes its API, you update the mapping, not your application.

How Adyen signs requests

An API key from your Customer Area in the x-API-key header. Adyen also accepts basic auth.

Can you connect it today?

Yes. Add an API-key-in-a-header credential with the header name x-API-key.

A sample mapping

Your application sends the first request below. The mapping turns it into the body of POST /paymentLinks, shown second.

Your request

{
    "orderId": "1042",
    "amountMinor": 2495,
    "currency": "EUR"
}

What Adyen receives

{
    "reference": "1042",
    "amount": {
        "value": 2495,
        "currency": "EUR"
    },
    "merchantAccount": "AcmeShopEU"
}

The mapping

{
    "$schema": "https://schemas.echorelay.dev/transform/mapping/v1.json",
    "root": {
        "type": "object",
        "id": "root",
        "properties": {
            "reference": {
                "type": "field",
                "id": "reference",
                "path": "orderId"
            },
            "amount": {
                "type": "object",
                "id": "amount",
                "properties": {
                    "value": {
                        "type": "field",
                        "id": "value",
                        "path": "amountMinor"
                    },
                    "currency": {
                        "type": "field",
                        "id": "currency",
                        "path": "currency"
                    }
                }
            },
            "merchantAccount": {
                "type": "constant",
                "id": "merchant",
                "value": "AcmeShopEU"
            }
        }
    }
}

The grammar, the answer mapping and the dry run are in the mapping docs.

What you bring

This is not a ready-made connector. You bring a sample request or Adyen’s OpenAPI document, you or your agent write the mapping, and we run the integration you define.

Adyen facts on this page were read 2026-10-29 from Adyen API authentication, Adyen: create payment links with the API. Another service? Check it here.

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