Heron

Heron Merchants API

The Merchants API from Heron — 6 operation(s) for merchants.

GitHub OpenAPI

Operations 6

POST /api/merchants/extract Extract merchant
GET /api/merchants/groups List merchant groups
GET /api/merchants/list List merchants
GET /api/merchants/search Search merchants
GET /api/merchants/{heron_id} Get merchant by ID
PATCH /api/merchants/{merchant_heron_id}/user_merchant_group Set merchant group override

Documentation

📖
Documentation
https://docs.herondata.io/
📖
APIReference
https://docs.herondata.io/api-reference/authentication
📖
GettingStarted
https://docs.herondata.io/
📖
Authentication
https://raw.githubusercontent.com/api-evangelist/heron/refs/heads/main/authentication/heron-authentication.yml

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/heron/refs/heads/main/openapi/heron-merchants-api-openapi.yml
⚙
AsyncAPI
https://raw.githubusercontent.com/api-evangelist/heron/refs/heads/main/asyncapi/heron-webhooks-asyncapi.yml

Other Resources

🔗
LLMsTxt
https://raw.githubusercontent.com/api-evangelist/heron/refs/heads/main/llms/heron-llms.txt
🔗
Webhooks
https://raw.githubusercontent.com/api-evangelist/heron/refs/heads/main/asyncapi/heron-webhooks-asyncapi.yml

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OpenAPI Specification

heron-merchants-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  contact:
    email: support@herondata.io
    name: Support
  title: Heron Data Merchants API
  version: '2021-07-19'
servers:
- description: Production
  url: https://app.herondata.io
security:
- ApiKeyAuth:
  - key_XXX
tags:
- name: Merchants
paths:
  /api/merchants/extract:
    post:
      description: Extract Merchant from a transaction description
      requestBody:
        content:
          application/json:
            schema:
              properties:
                description:
                  example: PAYPAL* AMZN Mktp 198748320
                  type: string
              required:
              - description
              type: object
        description: The bank transaction description as a string
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  description_clean:
                    example: Amzn Mktp
                    type:
                    - string
                    - 'null'
                  merchant:
                    $ref: '#/components/schemas/MerchantExtract'
                  payment_processor:
                    $ref: '#/components/schemas/PaymentProcessor'
                type: object
          description: 'The `merchant` key is not null when we find a positive match to our database. When we could not match a merchant, `merchant` is null and `description_clean` is set to a substring of the original description that our models identified as the relevant entity.

            '
      security:
      - ApiKeyAuth: []
      summary: Extract merchant
      tags:
      - Merchants
  /api/merchants/groups:
    get:
      description: Get Merchant groups
      responses:
        '200':
          content:
            application/json:
              schema:
                items:
                  $ref: '#/components/schemas/MerchantGroup'
                type: array
          description: Ok
      security:
      - ApiKeyAuth: []
      summary: List merchant groups
      tags:
      - Merchants
  /api/merchants/list:
    get:
      description: Get a paginated list of merchants with optional name and group_id filtering. Results are ordered by merchant ID for stable pagination.
      parameters:
      - description: Filter merchants by name (full or partial match)
        in: query
        name: name
        required: false
        schema:
          type: string
      - description: Filter merchants by group ID
        in: query
        name: group_id
        required: false
        schema:
          type: string
      - description: Number of merchants to return per page
        in: query
        name: limit
        required: false
        schema:
          default: 50
          maximum: 200
          minimum: 1
          type: integer
      - description: Number of merchants to skip
        in: query
        name: offset
        required: false
        schema:
          default: 0
          minimum: 0
          type: integer
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  data:
                    items:
                      $ref: '#/components/schemas/Merchant1'
                    type: array
                  has_more:
                    type: boolean
                  limit:
                    type: integer
                  offset:
                    type: integer
                  total:
                    type: integer
                type: object
          description: List of merchants with pagination metadata
      security:
      - ApiKeyAuth: []
      summary: List merchants
      tags:
      - Merchants
  /api/merchants/search:
    get:
      description: Search Merchants by name
      parameters:
      - description: Full or partial name, minimum 3 characters
        in: query
        name: name
        required: true
        schema:
          type: string
      - description: If true, only returns priority merchants
        in: query
        name: only_priority
        required: false
        schema:
          type: boolean
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  merchants:
                    items:
                      $ref: '#/components/schemas/Merchant'
                    type: array
                type: object
          description: 'A list of up to 5 merchants which match the search term, sorted by descending order of their URL rank and the frequency this merchant has been seen historically.

            '
      security:
      - ApiKeyAuth: []
      summary: Search merchants
      tags:
      - Merchants
  /api/merchants/{heron_id}:
    get:
      description: Get Merchant by heron_id
      parameters:
      - description: The Merchant `heron_id`
        in: path
        name: heron_id
        required: true
        schema:
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  merchant:
                    $ref: '#/components/schemas/Merchant'
                type: object
          description: OK
      security:
      - ApiKeyAuth: []
      summary: Get merchant by ID
      tags:
      - Merchants
  /api/merchants/{merchant_heron_id}/user_merchant_group:
    patch:
      description: Update the group id for a merchant for the current user
      parameters:
      - description: The Merchant `heron_id`
        in: path
        name: merchant_heron_id
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              properties:
                group_id:
                  example: debt.mca_or_rbf
                  type:
                  - string
                  - 'null'
              required:
              - group_id
              type: object
        description: Group ID to assign to the merchant
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserMerchantGroupSchema'
          description: OK
        '404':
          description: Merchant not found
      security:
      - ApiKeyAuth: []
      summary: Set merchant group override
      tags:
      - Merchants
components:
  schemas:
    Merchant1:
      properties:
        aliases:
          type:
          - string
          - 'null'
        categories:
          items:
            $ref: '#/components/schemas/MerchantCategory'
          readOnly: true
          type: array
        category_codes:
          items:
            type: string
          type: array
          writeOnly: true
        created:
          format: date-time
          readOnly: true
          type: string
        debt_merchant_aliases:
          type:
          - string
          - 'null'
        frequency:
          type: integer
          writeOnly: true
        group_id:
          enum:
          - Uber
          - Google
          - Intuit
          - debt.mca_or_rbf
          - debt.non_bank_business
          - debt.equipment_and_auto_leasing
          - debt.mortgage
          - debt.personal_non_mortgage
          - debt.collections
          - debt.bank
          - invoice_factoring
          - fuel_provider
          - gambling_and_betting
          - null
          type:
          - string
          - 'null'
        heron_id:
          example: mrc_RTgUcM9od9w9fwU8YG6mjH
          readOnly: true
          type: string
        icon_url:
          format: url
          type:
          - string
          - 'null'
        id:
          readOnly: true
          type: integer
        is_deleted:
          readOnly: true
          type: boolean
        is_priority:
          readOnly: true
          type: boolean
        logo_url:
          format: url
          type:
          - string
          - 'null'
        name:
          type: string
        regex_aliases:
          items:
            type: string
          type:
          - array
          - 'null'
        url:
          format: url
          type: string
        use_name_as_alias:
          type:
          - boolean
          - 'null'
      required:
      - name
      - url
      type: object
    MerchantCategory:
      properties:
        code:
          example: '7311'
          readOnly: true
          type: string
        description:
          example: Advertising services
          readOnly: true
          type:
          - string
          - 'null'
        slug:
          example: advertising_services
          readOnly: true
          type:
          - string
          - 'null'
      required:
      - code
      type: object
    UserMerchantGroupSchema:
      properties:
        group_id:
          type: string
        merchant_heron_id:
          type: string
        merchant_name:
          type: string
      required:
      - merchant_heron_id
      - merchant_name
      type: object
    MerchantExtract:
      properties:
        categories:
          items:
            $ref: '#/components/schemas/MerchantCategory'
          readOnly: true
          type: array
        confidence:
          maximum: 1.0
          minimum: 0.0
          type:
          - number
          - 'null'
        group_id:
          type: string
        heron_id:
          example: mrc_RTgUcM9od9w9fwU8YG6mjH
          readOnly: true
          type: string
        icon_url:
          format: url
          readOnly: true
          type: string
        logo_url:
          format: url
          readOnly: true
          type: string
        name:
          example: Amazon
          readOnly: true
          type:
          - string
          - 'null'
        url:
          example: https://www.amazon.com/
          format: url
          readOnly: true
          type:
          - string
          - 'null'
      type: object
    PaymentProcessor:
      properties:
        heron_id:
          example: mrc_nRYdGU7nYuevb7qem65cEb
          readOnly: true
          type: string
        icon_url:
          example: https://storage.googleapis.com/heron-merchant-assets/icons/mrc_nRYdGU7nYuevb7qem65cEb.svg
          format: url
          readOnly: true
          type:
          - string
          - 'null'
        logo_url:
          example: https://storage.googleapis.com/heron-merchant-assets/logos/mrc_nRYdGU7nYuevb7qem65cEb.svg
          format: url
          readOnly: true
          type:
          - string
          - 'null'
        name:
          example: Paypal
          readOnly: true
          type:
          - string
          - 'null'
        url:
          example: https://www.paypal.com
          format: url
          readOnly: true
          type:
          - string
          - 'null'
      type: object
    MerchantGroup:
      properties:
        description:
          description: Description of merchant group
          type: string
        id:
          description: Unique ID of merchant group
          type: string
        name:
          description: Display name of merchant group
          type: string
      type: object
    Merchant:
      properties:
        categories:
          items:
            $ref: '#/components/schemas/MerchantCategory'
          readOnly: true
          type: array
        group_id:
          enum:
          - Uber
          - Google
          - Intuit
          - debt.mca_or_rbf
          - debt.non_bank_business
          - debt.equipment_and_auto_leasing
          - debt.mortgage
          - debt.personal_non_mortgage
          - debt.collections
          - debt.bank
          - invoice_factoring
          - fuel_provider
          - gambling_and_betting
          - null
          type:
          - string
          - 'null'
        heron_id:
          example: mrc_RTgUcM9od9w9fwU8YG6mjH
          readOnly: true
          type: string
        icon_url:
          format: url
          type:
          - string
          - 'null'
        is_priority:
          readOnly: true
          type: boolean
        logo_url:
          format: url
          type:
          - string
          - 'null'
        name:
          type: string
        url:
          format: url
          type: string
      required:
      - name
      - url
      type: object
  securitySchemes:
    ApiKeyAuth:
      in: header
      name: x-api-key
      type: apiKey
externalDocs:
  description: Read Tutorial
  url: https://docs.herondata.io/