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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 with NMI's APIs
Authentication
Testing Methods
Rate Limiting
Pagination
Response Codes

Merchant Sign-Up

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

Online Payments

Transactions
- Transaction Processingpost
Invoices
- Invoice Managementpost
Subscriptions
- Subscription Managementpost
Plans
- Plan Managementpost
Customers
- Customer Managementpost
- Billing Information Managementpost
Products
- Product Managementpost
TXT2PAY (Powered by Authvia)

IN-PERSON PAYMENTS

In-Person Payments Overview
Customer Present Cloud API
Download SDK for iOS/Android
Download SDK for Windows/Linux

ACCOUNT MANAGEMENT

Overview
Affiliates
- Get Sub-Affiliate Listpost
Merchants
Settlement Time
- Get Settlement Timeget
- Updating Settlement Timepatch
Fee Schedule
- Pull All Fee Schedulespost
- Get Fees Inside a Fee Scheduleget
Processors and Services
Customer Token Vault
- Add Token Vault to a Gateway Accountpost

REPORTING

General
- Query APIpost
Transactions
- Get Transaction Datapost
Billing & Commission
- See Merchants' Billingpost
- See Your Commissionpost

ADMINISTRATION

Users
- Get Merchant or Partner User Infopost
- Username Availabilitypost
API Keys
- Create Merchant API Keyspost
Webhooks

Other Resources

Postman Collection

MCP Server

MCP

Classic APIs

Payment APIpost

Merchant: First Batch

wbhk

merchant.first-batch

This event is triggered when a merchant processes their first batch of transactions.

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