Build with Remitian

Embed tax payment execution infrastructure into your platform with our RESTful API - comprehensive docs, sandbox environment, and dedicated support.

Tax payment infrastructure for developers

Remitian's API lets you embed tax payment execution directly into your platform, giving your users a seamless experience from calculation to confirmation.

RESTful API design

Clean, intuitive endpoints with JSON request/response format built for modern development workflows.

Comprehensive documentation

Detailed endpoint references, authentication guides, code examples, and integration patterns.

Sandbox environment

Test integrations in a safe sandbox environment before going live, with test data and debugging tools.

What you can build

Execute federal and state tax payments programmatically

Track payment status in real-time

Retrieve payment confirmations and records

Manage entities and payment methods via API

// Example API request
POST /payments
{
"entity_id": "ent_12345",
"tax_type": "federal_941",
"amount": 1250.00,
"period": "2024-Q1"
}
Getting Started

Start building in minutes

Get up and running quickly with our streamlined onboarding process. From API keys to your first payment execution, we make integration straightforward.

View quick start guide →

Quick start steps

1

Create an account

Sign up for a developer account and access the dashboard

2

Generate API keys

Create sandbox and production API keys from your dashboard

3

Make your first API call

Test authentication and explore the API in sandbox mode

4

Build your integration

Follow our guides to implement payment execution flows

5

Go live

Test thoroughly, then switch to production keys when ready

Authentication

API key-based authentication with support for sandbox and production environments.

Auth guide →

API reference

Complete endpoint documentation with request/response examples and error codes.

View reference →
Architecture

How Remitian works

Understanding Remitian's architecture helps you design robust integrations. Here's how we handle tax payment execution at scale.

Payment execution flow

1

API Request

Your platform sends payment details via API

2

Validation

Remitian validates data and checks compliance rules

3

Execution

Payment submitted to tax authority via secure channels

4

Confirmation

Status updates and confirmation sent back to your platform

Webhooks & events

Coming Soon

Receive real-time notifications about payment status changes, confirmations, and errors via webhooks.

payment.submitted
payment.confirmed
payment.failed

Security & compliance

Enterprise-grade security with SOC 2 compliance, encryption at rest and in transit, and audit logging.

256-bit encryption
SOC 2 Type II certified
Complete audit trails

Multi-jurisdiction support

Handle federal, state, and local tax payments through a single API. No need to integrate with multiple systems.

High availability

99.9% uptime SLA with redundant infrastructure and automatic failover for mission-critical payments.

Rate limiting

Generous rate limits for production use with automatic retry logic and backoff strategies.

Use Cases

Common integration patterns

Explore how different platforms integrate Remitian to enable tax payment execution for their users.

Accounting Software

Post-filing payment execution

After users file their tax returns, pre-populate payment details and execute payments directly from your platform, eliminating the need to visit government portals.

User completes tax filing in your software

Payment amount and details auto-populated from return

User reviews and confirms payment via Remitian API

Instant confirmation displayed in your platform

Key API endpoints used

POST /payments
Execute tax payment
GET /payments/:id
Check payment status
GET /confirmations/:id
Retrieve confirmation receipt
Payroll Platform

Automated payroll tax deposits

Calculate payroll tax liabilities and automatically submit payments to federal and state authorities as part of your payroll processing workflow.

Payroll run completed, tax liability calculated

API call triggers payment execution to IRS/state

Webhook confirms successful deposit

Confirmation saved to client record automatically

Integration benefits

Reduce compliance risk

Automated deposits ensure timely payments

Save client time

No manual data entry or portal logins

Complete audit trail

All confirmations stored and accessible via API

Business Banking

White-label tax payment service

Offer tax payment capabilities as part of your business banking platform, keeping customers in your ecosystem for financial operations.

Customer initiates tax payment from banking dashboard

White-labeled UI powered by Remitian API

Payment executed seamlessly in the background

Transaction appears in banking history with confirmation

Platform advantages

Increase engagement

Customers stay in your platform for tax needs

New revenue stream

Monetize payment execution as premium feature

Fast time to market

Launch in weeks without building infrastructure

Need help designing your integration?

Complete API documentation

Dive deeper into endpoint references, authentication methods, webhooks, error handling, and more in our comprehensive developer documentation.

View full documentation →

Ready to start building?

Schedule a technical demo to discuss your integration needs and get sandbox access.

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