Documentation portal

Arqis documentation.

A focused documentation hub for the prototype. Pick a product area below to see how it works, what is live in the current MVP, and what remains planned for later.

Prototype scope: Arqis is an Arc Testnet prototype for USDC invoice payments. It validates invoice creation, checkout, wallet setup, and seller payment tracking before production-grade APIs, webhooks, and payment routing are added.

Create Invoice

How a seller creates a simple USDC invoice record for the payer inbox.

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Pay Invoice

How a payer opens an invoice, reviews it, and submits a USDC payment on Arc Testnet.

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Seller Console

How a seller reviews wallet activity and inspects transaction details after connecting on Arc Testnet.

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Circle Faucet / Setup

How teammates add Arc Testnet and get testnet USDC for product testing.

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Security & Verification

Roadmap for RLS, access control, backend payment verification, and invoice status lifecycle.

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USDC helper

Move and Convert USDC

When to convert assets inside Pay Invoice, when to move USDC from Gateway/source chains to Arc, and why paying the invoice remains a separate Arc USDC step.

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Coming soon

Unified Invoice Pay

A future invoice-first flow for paying one invoice from USDC balances across supported chains, with reviewed payment plans and verified settlement.

Open guide →

Future roadmap

Invoice-first stablecoin payments

Arqis should stay centered on invoices, receipts, seller console, Telegram notifications, and clean USDC settlement. Swap and unified payment are helpers, not separate trading or bridge products.

Open roadmap

Payer control

No hidden routing

Arqis should not automatically spend, convert, bridge, or route funds without explicit payer confirmation.

Product flow

From invoice to settlement

Seller creates invoice
Arqis creates an invoice record
Payer opens invoice from inbox
Payer pays with Arc Testnet USDC
Payment verification is planned for a trusted backend flow
Seller tracks payment in Seller Console

MVP principle

Small first

Current MVP: validate the USDC invoice flow on Arc Testnet before adding conversion helpers, unified payment plans, webhooks, production APIs, or automated settlement operations.

Reviewer clarity

Roadmap is marked

Coming-soon modules are documented as roadmap features and should not be treated as active payment functionality until testnet integrations and backend verification are ready.