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Welcome to Invoica

Invoica is the financial operating system for the agentic economy. We provide invoice middleware that sits between AI agents and payment networks, enabling autonomous invoicing, tax compliance, budget enforcement, and settlement detection.

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What is Invoica?

When AI agents make purchases using the x402 protocol, they need financial infrastructure to:
  • Generate invoices automatically for every transaction
  • Calculate taxes across multiple jurisdictions
  • Enforce budgets so agents don’t overspend
  • Detect settlements on-chain with dual confirmation
  • Maintain ledgers for full financial auditability
Invoica handles all of this as middleware — your agents send standard x402 payment requests, and Invoica intercepts them to add financial compliance automatically.

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Key Features

Automated Invoicing

Generate professional invoices with line items, tax breakdowns, and PDF delivery for every agent transaction.

Tax Compliance

Multi-jurisdiction VAT and sales tax calculation with automatic rate lookup and reporting.

Budget Enforcement

Set spending limits per agent, per category, or per time period. Transactions exceeding budgets are blocked automatically.

Settlement Detection

Dual settlement detection — poll-based and event-driven — ensures no payment confirmation is missed.

TypeScript SDK

100 modules including utilities, hooks, and components. Fully typed, tree-shakeable, and developer-friendly.

Developer Dashboard

Manage API keys, view invoices, monitor settlements, and configure webhooks from a single interface.

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Architecture Overview

Invoica operates as a transparent proxy between your AI agents and the x402 payment network: 
AI Agent → Invoica Middleware → x402 Payment Network
                ↓
        Invoice Generated
        Tax Calculated
        Budget Checked
        Settlement Monitored

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Who is Invoica for?

  • AI Agent Developers building autonomous systems that make payments
  • Platform Operators running multi-agent environments with financial compliance needs
  • Enterprise Teams requiring audit trails and tax compliance for agent transactions

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Next Steps

Quickstart

Create your first invoice in under 5 minutes.

API Reference

Explore the complete API documentation.