> ## Documentation Index
> Fetch the complete documentation index at: https://learn.breezing.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Create Contact API

> Create a Breezing contact to label a counterparty address with a name and chain for clearer crypto accounting reports and workflows.



## OpenAPI

````yaml POST /contacts
openapi: 3.1.0
info:
  title: Breezing Public API
  version: 1.0.0
  description: >-
    Crypto accounting API for programmatic access and AI agents. Authenticate
    with an API key using the Authorization header: `Bearer brz_...`
servers:
  - url: https://api.breezing.io/v1
security:
  - BearerAuth: []
paths:
  /contacts:
    post:
      tags:
        - Contacts
      summary: Create a contact
      description: >-
        Create a new contact (named counterparty address). Returns 409 CONFLICT
        if a contact with the same address already exists in this company.
        Address is immutable after creation; use PATCH to update name / chain /
        qboEntity.
      parameters:
        - schema:
            type: string
            description: >-
              Organization ID. Use GET /v1/companies to discover available
              org/company pairs.
            example: '1'
          required: true
          description: >-
            Organization ID. Use GET /v1/companies to discover available
            org/company pairs.
          name: orgId
          in: query
        - schema:
            type: string
            description: >-
              Company ID. Use GET /v1/companies to discover available companies
              and their access levels.
            example: '1'
          required: true
          description: >-
            Company ID. Use GET /v1/companies to discover available companies
            and their access levels.
          name: companyId
          in: query
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateContactBody'
      responses:
        '200':
          description: Contact created successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    enum:
                      - true
                  data:
                    type: object
                    properties:
                      id:
                        type: number
                    required:
                      - id
                required:
                  - success
                  - data
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    enum:
                      - false
                  error:
                    type: object
                    properties:
                      code:
                        type: string
                      message:
                        type: string
                    required:
                      - code
                      - message
                required:
                  - success
                  - error
        '401':
          description: Invalid or missing API key
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    enum:
                      - false
                  error:
                    type: object
                    properties:
                      code:
                        type: string
                      message:
                        type: string
                    required:
                      - code
                      - message
                required:
                  - success
                  - error
        '403':
          description: >-
            API key has no access to this company, has read-only access where
            write was required, or the company subscription is inactive
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    enum:
                      - false
                  error:
                    type: object
                    properties:
                      code:
                        type: string
                      message:
                        type: string
                    required:
                      - code
                      - message
                required:
                  - success
                  - error
        '409':
          description: Contact with this address already exists
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    enum:
                      - false
                  error:
                    type: object
                    properties:
                      code:
                        type: string
                      message:
                        type: string
                    required:
                      - code
                      - message
                required:
                  - success
                  - error
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    enum:
                      - false
                  error:
                    type: object
                    properties:
                      code:
                        type: string
                      message:
                        type: string
                    required:
                      - code
                      - message
                required:
                  - success
                  - error
      security:
        - BearerAuth: []
components:
  schemas:
    CreateContactBody:
      type: object
      properties:
        address:
          type: string
          minLength: 1
          maxLength: 255
          description: Wallet/account address. Lowercased and indexed for lookup.
        name:
          type: string
          maxLength: 255
          description: Display name (e.g. "Binance Hot Wallet")
        chain:
          type: string
          maxLength: 63
          description: Chain identifier (optional, e.g. "eth")
      required:
        - address

````