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OpenAPI Specification

openapi: 3.0.3
info:
  title: LoyaltyLion Activities Utility API
  description: The LoyaltyLion v2 REST API powers an e-commerce loyalty and rewards program. It is split into an Admin API - for moving data in and out of LoyaltyLion, such as retrieving customers and transactions, tracking orders, and adjusting points - and a Headless API for building custom shopper-facing loyalty experiences in web, mobile, and POS applications. Requests authenticate with a Program API key passed as a Bearer token in the Authorization header (with scoped access such as read_customers), or the deprecated token/secret pair over HTTP Basic auth (supported until 2027-01-10). Customers are addressed by the merchant_id you use in your own platform. All endpoints share a rate limit of 20 requests per second unless otherwise stated. This document grounds the core Customers, Activities, Points, Rewards, and Redemptions resources; some verbs are modeled from the documented resource index and should be verified against the live reference.
  version: '2.0'
  contact:
    name: LoyaltyLion
    url: https://developers.loyaltylion.com
servers:
- url: https://api.loyaltylion.com/v2
  description: LoyaltyLion v2 API
security:
- bearerAuth: []
- basicAuth: []
tags:
- name: Utility
  description: Identity and diagnostic endpoints.
paths:
  /whoami:
    get:
      operationId: whoAmI
      tags:
      - Utility
      summary: Who am I
      description: Returns the identity and scopes associated with the authenticated API key.
      responses:
        '200':
          description: The authenticated identity.
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    Error:
      type: object
      properties:
        error:
          type: string
        message:
          type: string
  responses:
    Unauthorized:
      description: Authentication failed or the API key lacks the required scope.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Program API key passed as a Bearer token in the Authorization header.
    basicAuth:
      type: http
      scheme: basic
      description: Deprecated token (username) and secret (password) over HTTP Basic auth, supported until 2027-01-10.