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Home Documentation Developer API Changelog

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Getting Started

Overview
API Throttling
ACH Error Codes

Stax API

Merchant API Keys
Customers
Catalog Management
Payment Methods
Payments
Payment Links
Transactions
Invoices
Scheduled Invoices
Reports
Terminals
User Management
Teams
Merchant Webhooks
Dispute Management
File Management

Partner API

Partner API Keys
Hybrid API Enrollment Guide
Dispute Management
- List Disputes for a Merchantget
Ephemeral Authentication Tokens
- Ephemeral Authentication Tokensget
Partner Webhooks
Custom Fees

Check if E-Mail Exists

get

https://apiprod.fattlabs.com/self/exists

Verifies if the inputted email is valid

Language

Credentials

Bearer

JWT

Click Try It! to start a request and see the response here!