AppLovin Conversion Events API

openapi: 3.0.3
info:
  title: AppLovin Axon Campaign Management Ad Units Conversion Events API
  version: v1
  x-generated-from: documentation
  x-source-url: https://support.axon.ai/en/app-discovery/api/axon-campaign-management-api/
  x-last-validated: '2026-05-05'
  description: 'REST endpoints used to programmatically manage AppLovin AppDiscovery

    (Axon) campaigns, creative sets, and creative assets. All endpoints

    require an `Authorization` header with the Campaign Management API key

    and an `account_id` query parameter. Rate limit: 1,000 requests per 60

    seconds (HTTP 429 on overflow).

    '
  contact:
    name: AppLovin Support
    url: https://support.axon.ai
servers:
- url: https://b.applovin.com
  description: AppLovin conversion ingestion host
security:
- bearerAuth: []
tags:
- name: Conversion Events
  description: Server-to-server conversion event ingestion
paths:
  /v1/event:
    post:
      operationId: postConversionEvents
      summary: Post Conversion Events
      description: 'Submit a batch of up to 100 server-side conversion events

        (`page_view`, `generate_lead`) for ingestion against your Axon Pixel.

        At least one user identifier is required per event in `user_data`.

        '
      tags:
      - Conversion Events
      parameters:
      - name: pixel_id
        in: query
        required: true
        description: Axon Event Key for the destination pixel.
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EventBatch'
            examples:
              pageView:
                summary: Page view event
                value:
                  events:
                  - event_time: 1741784485001
                    event_source_url: https://applovin.com
                    name: page_view
                    data: null
                    user_data:
                      client_ip_address: 172.59.8.172
                      client_user_agent: chrome/123.456 android mobile
                      aleid: _aleid-query-param
                      axwrt: _axwrt-cookie-value
                      user_id: _user_id
                      esi: web
              generateLead:
                summary: Generate lead event
                value:
                  events:
                  - event_time: 1741784485001
                    event_source_url: https://applovin.com
                    name: generate_lead
                    data:
                      currency: USD
                      value: 30
                    user_data:
                      client_ip_address: 172.59.8.172
                      client_user_agent: chrome/123.456 android mobile
                      email: user@example.com
                      esi: web
      responses:
        '200':
          description: All events processed successfully.
        '400':
          description: Request error; entire batch dropped.
        '401':
          description: Authentication failed.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    EventBatch:
      type: object
      description: 'Wrapper around the events array. x-schema-source: documentation

        '
      properties:
        events:
          type: array
          maxItems: 100
          items:
            $ref: '#/components/schemas/ServerEvent'
      required:
      - events
    EventData:
      type: object
      description: Required for generate_lead events; null for page_view.
      properties:
        currency:
          type: string
          description: ISO 4217 three-letter currency code.
          example: USD
        value:
          type: number
          minimum: 0
          description: Monetary value of the lead.
      required:
      - currency
      - value
    UserData:
      type: object
      description: 'User identifiers and browser context. At least one of (`aleid`,

        `axwrt`, `alart`, `client_id`, `user_id`, `email`, `phone`) is

        required. `email` and `phone` are auto-hashed with SHA-256 if not

        already hashed.

        '
      properties:
        aleid:
          type: string
          description: AppLovin event ID from the URL parameter.
        axwrt:
          type: string
          description: Axon Pixel cookie value.
        alart:
          type: string
          description: App user tracking parameter.
        client_id:
          type: string
          description: First-party stable identifier.
        user_id:
          type: string
          description: Customer-defined unique identifier.
        email:
          type: string
          description: User email; SHA-256 hashed automatically.
        phone:
          type: string
          description: User phone; SHA-256 hashed automatically.
        client_ip_address:
          type: string
          description: IPv4 or IPv6 client IP.
        client_user_agent:
          type: string
          description: Browser user agent string.
        esi:
          type: string
          enum:
          - web
          - app
          description: 'Event source: web or app.'
        country_code:
          type: string
          description: ISO 3166 billing country code.
        zip:
          type: string
          description: Billing zip (first 5 digits in US).
        os:
          type: string
          enum:
          - ios
          - android
          - desktop_os
          description: Operating system.
        sid:
          type: string
          description: Session ID.
        ifa:
          type: string
          description: Identifier for advertisers (IDFA / GAID).
        idfv:
          type: string
          description: Identifier for vendors.
      required:
      - client_ip_address
      - client_user_agent
      - esi
    ServerEvent:
      type: object
      properties:
        name:
          type: string
          enum:
          - page_view
          - generate_lead
          description: Event type.
        event_time:
          type: integer
          format: int64
          description: Unix epoch time of the event in milliseconds.
        event_source_url:
          type: string
          format: uri
          description: Complete URL where the event occurred.
        data:
          oneOf:
          - $ref: '#/components/schemas/EventData'
          - type: 'null'
          description: Event-specific data. Null for page_view, EventData for generate_lead.
        user_data:
          $ref: '#/components/schemas/UserData'
        dedupe_id:
          type: string
          description: Unique identifier used to deduplicate against pixel-fired events.
      required:
      - name
      - event_time
      - event_source_url
      - data
      - user_data
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Campaign Management API key passed in the `Authorization` header.