openapi: 3.0.3
info:
  title: Campfire Developer APIs Accounts Payable coa API
  version: 1.0.0
  description: '## Introduction

    Campfire''s developer APIs offer granular access to Campfire''s core accounting,

    revenue recognition, and financial data features.


    These APIs are designed to be used by developers to build custom integrations,

    automate workflows, and perform any other programmatic operations.

    '
servers:
- url: https://api.meetcampfire.com
  description: Production server
tags:
- name: coa
paths:
  /coa/api/entity/{entity_id}/attachment:
    post:
      operationId: coa_api_entity_attachment_create
      description: Upload invoice email attachment with proper permissions
      summary: Upload Entity Invoice Email Attachment
      parameters:
      - in: path
        name: entity_id
        schema:
          type: integer
        required: true
      tags:
      - coa
      security:
      - knoxApiToken: []
      responses:
        '200':
          description: No response body
components:
  securitySchemes:
    knoxApiToken:
      type: apiKey
      in: header
      name: Authorization
      description: Token-based authentication with required prefix "Token"