# Payout completed

Sent when the payout has been delivered successfully to the beneficiary.

Product: Payment API
Event reference version: 0.1.0 (current)
OpenAPI contract: https://docs.axiym.io/openapi/payment-api/events/0.1.0.yaml
Canonical page: https://docs.axiym.io/payment-api/events/0.1.0/payout/onPayoutCompleted

[Compact reference](/payment-api/events/0.1.0/payout/onPayoutCompleted.md)

## POST /webhooks/payout.completed

## Authentication

```json
{
  "security": [],
  "securitySchemes": {}
}
```

## Parameters

### header: X-Signature

```json
{
  "name": "X-Signature",
  "in": "header",
  "required": true,
  "schema": {
    "type": "string"
  },
  "description": "Ed25519 signature of the raw request body."
}
```

### header: X-Key-Id

```json
{
  "name": "X-Key-Id",
  "in": "header",
  "required": true,
  "schema": {
    "type": "string",
    "format": "uuid"
  },
  "description": "Identifier of the public key used to verify the delivery signature."
}
```

### header: X-Algorithm

```json
{
  "name": "X-Algorithm",
  "in": "header",
  "required": true,
  "schema": {
    "type": "string",
    "const": "Ed25519"
  },
  "description": "Signature algorithm used for the delivery."
}
```

## Request body

```json
{
  "required": true,
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "required": [
          "id",
          "timestamp",
          "type",
          "data"
        ],
        "properties": {
          "id": {
            "$ref": "#/components/schemas/EventId"
          },
          "timestamp": {
            "$ref": "#/components/schemas/EventTimestamp"
          },
          "type": {
            "type": "string",
            "const": "payout.completed"
          },
          "data": {
            "$ref": "#/components/schemas/PayoutCompletedEventData"
          }
        }
      }
    }
  }
}
```

## Responses

### 200

```json
{
  "description": "Acknowledged by your endpoint."
}
```

## Operation metadata

```json
{
  "tags": [
    "Payout"
  ],
  "operationId": "onPayoutCompleted"
}
```

## Referenced definitions

- [`#/components/parameters/WebhookSignature`](#definition-1)
- [`#/components/parameters/WebhookKeyId`](#definition-2)
- [`#/components/parameters/WebhookAlgorithm`](#definition-3)
- [`#/components/schemas/EventId`](#definition-4)
- [`#/components/schemas/EventTimestamp`](#definition-5)
- [`#/components/schemas/PayoutCompletedEventData`](#definition-6)
- [`#/components/schemas/PayoutEventData`](#definition-7)
- [`#/components/schemas/PayoutStatus`](#definition-8)

### definition-1

`#/components/parameters/WebhookSignature`

```json
{
  "name": "X-Signature",
  "in": "header",
  "required": true,
  "schema": {
    "type": "string"
  },
  "description": "Ed25519 signature of the raw request body."
}
```

### definition-2

`#/components/parameters/WebhookKeyId`

```json
{
  "name": "X-Key-Id",
  "in": "header",
  "required": true,
  "schema": {
    "type": "string",
    "format": "uuid"
  },
  "description": "Identifier of the public key used to verify the delivery signature."
}
```

### definition-3

`#/components/parameters/WebhookAlgorithm`

```json
{
  "name": "X-Algorithm",
  "in": "header",
  "required": true,
  "schema": {
    "type": "string",
    "const": "Ed25519"
  },
  "description": "Signature algorithm used for the delivery."
}
```

### definition-4

`#/components/schemas/EventId`

```json
{
  "type": "string",
  "format": "uuid",
  "description": "Event ID. Use this for de-duplication.",
  "examples": [
    "f47ac10b-58cc-4372-a567-0e02b2c3d479"
  ]
}
```

### definition-5

`#/components/schemas/EventTimestamp`

```json
{
  "type": "string",
  "format": "date-time",
  "description": "Time Axiym created the event. Formatted in ISO 8601.",
  "examples": [
    "2026-09-07T10:07:30Z"
  ]
}
```

### definition-6

`#/components/schemas/PayoutCompletedEventData`

```json
{
  "description": "Event data for a successfully completed payout.",
  "allOf": [
    {
      "$ref": "#/components/schemas/PayoutEventData"
    },
    {
      "type": "object",
      "properties": {
        "status": {
          "type": "string",
          "const": "COMPLETED",
          "description": "The payout completed successfully."
        }
      }
    }
  ]
}
```

### definition-7

`#/components/schemas/PayoutEventData`

```json
{
  "type": "object",
  "description": "Payment identifier and payout status at the time of the event. Retrieve `GET /payouts/{paymentId}` for the current payment.",
  "required": [
    "paymentId",
    "status"
  ],
  "properties": {
    "paymentId": {
      "type": "string",
      "format": "uuid",
      "description": "Payment identifier (UUID).",
      "examples": [
        "c3d65312-6575-43de-b8ae-728d8d0a9371"
      ]
    },
    "externalReference": {
      "type": "string",
      "description": "Your reference supplied when the payout was created.",
      "examples": [
        "PAYOUT-2026-001"
      ]
    },
    "status": {
      "$ref": "#/components/schemas/PayoutStatus"
    }
  }
}
```

### definition-8

`#/components/schemas/PayoutStatus`

```json
{
  "type": "string",
  "description": "Payout status at the time the event was emitted.",
  "enum": [
    "PENDING",
    "HELD",
    "COMPLETED",
    "CANCELED",
    "REJECTED"
  ],
  "examples": [
    "PENDING"
  ]
}
```