Affirm

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Detail	Value
Category	Finance
Base URL	https://api.affirm.com/api/v1
Authentication	API Key
Endpoints	6
Connector key	affirm

Using Affirm in a workflow

1. Go to Connections and click New Connection.
2. Pick Affirm from the marketplace.
3. Enter your credentials (see Authentication above for what's expected).
4. In a workflow, drop an API Call node and select this connection.
5. Pick the operation you need from the Operation dropdown — the full list is below.

Available endpoints

Endpoint	Summary
GET	Charges
GET	Capture
GET	Void
GET	Refund
GET	Transactions
GET	Promos

Each endpoint is documented in full below. Use the outline on the right to jump to one.

GET

Charges

Detail	Value
Operation ID	charges_0
Method	GET
Path	``

Parameters

No parameters.

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Affirm connection from the Connection dropdown.
3. In the Operation dropdown, select charges_0.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Affirm API reference.

GET

Capture

Detail	Value
Operation ID	capture_1
Method	GET
Path	``

Parameters

No parameters.

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Affirm connection from the Connection dropdown.
3. In the Operation dropdown, select capture_1.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Affirm API reference.

GET

Void

Detail	Value
Operation ID	void_2
Method	GET
Path	``

Parameters

No parameters.

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Affirm connection from the Connection dropdown.
3. In the Operation dropdown, select void_2.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Affirm API reference.

GET

Refund

Detail	Value
Operation ID	refund_3
Method	GET
Path	``

Parameters

No parameters.

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Affirm connection from the Connection dropdown.
3. In the Operation dropdown, select refund_3.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Affirm API reference.

GET

Transactions

Detail	Value
Operation ID	transactions_4
Method	GET
Path	``

Parameters

No parameters.

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Affirm connection from the Connection dropdown.
3. In the Operation dropdown, select transactions_4.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Affirm API reference.

GET

Promos

Detail	Value
Operation ID	promos_5
Method	GET
Path	``

Parameters

No parameters.

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Affirm connection from the Connection dropdown.
3. In the Operation dropdown, select promos_5.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Affirm API reference.