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Explore Sandbox Partner Portal Merchant Portal

API Reference

Explore Sandbox Partner Portal Merchant Portal

Home Guides Recipes API Reference

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Overview

Getting Started
Authentication
Testing Methods
Rate Limiting
Pagination
Response Codes

NMI Payments

Payment Processing
- Payment APIpost
Gateway Features
Processors and Services
Data and Transaction Reporting
- Query APIpost

Extensions

Customer Token Vault
- Add/Upgrade to Token Vaultpost
TXT2PAY (Powered by Authvia)

Webhooks

Overview
Retry Logic
Transaction Events
Check Status
Recurring Events
Settlement Events
Chargeback Events
Automatic Card Updater Events

Device SDKs

Download for iOS/Android
Download for Windows/Linux
Customer Present Cloud API

Other Resources

Postman Collection

NMI Payments Sign-Up API

Overview
Authentication
- Request an Access Tokenpost
Packages
- List all Packagesget
- Get Packageget
Applications
Webhook Subscriptions
Webhook Events
Legal Consent Helper

MCP Server

MCP

Merchant: Stopped Processing

wbhk merchant.processing.stop

This event is triggered when a merchant stops processing transactions.

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