For AI agents: visit https://docs.preczn.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI. Append .md to any documentation page URL to get its markdown version.
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v2.0
Guides
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Introduction
Preczn overview
Quick Start Guide
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Connections Overview
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Supported Connections
Adyen
Adyen for Platforms
Adyen for Platforms - Merchant Onboarding
Authorize.Net
Affinipay
Braintree
Braintree ACH Integration
CardPointe
Checkout.com
Finix
Frame
Greensky
Greensky - Merchant Onboarding
Jaris
MerchantE
Nelnet
Nuvei
Payflow Pro
Payrix
Payrix ACH Integration
Quantum ePay
Rainforest
Ramp
Stax
Stripe
Stripe Connect
Till Payments
Merchants
Merchants Overview
Merchants and Connections
Merchant Lifecycle
Creating Merchants
Linking Existing Credentials
Onboarding
Merchant Onboarding
Onboarding Data Requirements
Onboarding API Reference
Onboarding Troubleshooting
Boarding Forms
Configuring Domain Names
Boarding Form Templates
Welcome Section
Creating Forms
Multi-Connection Boarding Forms
Boarding Forms API Reference
Managing Merchants
Billing Group Management
Enabling Merchants
Labeling Merchants
Payment Transactions
Integrations
PaymentFields Integration
PaymentElements Integration
Direct API Integration
Tokenization
Token Import
Storing Billing Information
Card On File Flags
Transaction Types
Payment Data
Country & Currency Codes
Metadata
Dynamic Statement Descriptors
CVV
AVS
Level II Data
Level III Data
Transaction Import
Transaction Data Retrieval
Routing
Routing Methods
Routing Plans
Routing Rules
Assigning Merchants to Plans
PAYMENT METHODS
Credit Cards
ACH (Direct Debit)
ACH PaymentFields Integration
Server-Side Bank Account Tokenization
ACH Verify Transaction
ACH Sale Transaction
ACH Refund Transaction
ACH Best Practices
ACH Error Reference & Troubleshooting
B2B2C Loans
Tokenizing Loans
Connections and Plans
Loan Data & Statuses
Loan Updates
Loan Transactions
Loan Export
Apple Pay on the Web
Apple Pay Domain Verification
Apple Pay on the Web Implementation
Google Pay™ for Web
SAQ Management
SAQ Management Overview
SAQ Integration Guide
Managing SAQs in the Dashboard
Dashboard
Dashboard Overview
Quick Actions
User Management
Multi-Factor Authentication (MFA) Setup Guide
Password Policy and Guidance
Developers
API Keys
Live vs Test Mode
Webhooks
Subscribing to Webhooks
Receiving and Verifying Webhooks
Delivery, Retries, and Failures
Transaction Webhook Payloads
Merchant Webhook Payloads
Loan Webhook Payloads
Boarding Form Webhook Payloads
Idempotency Key Support
Object ID Prefixes
Generate a Client Library
Preczn MCP Server
Resources
Frequently Asked Questions
Card Data Detection & Redaction
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PAYMENT METHODS
B2B2C Loans
Loan Data & Statuses
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