NMI

NMI Invoicing API

Invoice management endpoints

GitHub OpenAPI

Operations 6

POST /v5/invoices Create Invoice #
GET /v5/invoices List Invoices #
GET /v5/invoices/{invoice_id} Get Invoice #
PUT /v5/invoices/{invoice_id} Update Invoice #
DELETE /v5/invoices/{invoice_id} Close Invoice #
POST /v5/invoices/{invoice_id}/send Send Invoice #

Documentation

📖
Documentation
https://docs.nmi.com/docs

Specifications

⚙
OpenAPI
https://artifacts.apis.io/nmi/openapi/nmi-invoicing-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/nmi/json-schema/nmi-invoice-response-schema.json
📊
JSONSchema
https://artifacts.apis.io/nmi/json-schema/nmi-update-invoice-request-schema.json
📊
JSONSchema
https://artifacts.apis.io/nmi/json-schema/nmi-create-invoice-request-schema.json

Other Resources

🔗
Sandbox
https://docs.nmi.com/docs/sandbox-testing

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OpenAPI Specification

nmi-invoicing-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  version: 1.0.0
  title: Payments Invoicing API
  description: Our payments platform exposes two generations of API.
  x-logo:
    url: https://www.nmi.com/app/themes/nmi/images/NMI_Logo_Primary.webp
servers:
- url: https://sandbox.nmi.com/api
security: []
tags:


# --- truncated at 32 KB (51 KB total) ---
# Full source: https://artifacts.apis.io/nmi/openapi/nmi-invoicing-api-openapi.yml