List of B2B Invoicing & Billing projects on Polygon (2026)

0xProcessing Crypto Payment Gateway is a merchant payment gateway that lets businesses accept cryptocurrency payments online and at checkout. It supports API integration, wallet connections, static wallet addresses, payment forms and links, and virtual point-of-sale terminals, with a risk-control mechanism that converts incoming crypto into stablecoins to shield merchants from price volatility. Merchants can also issue business invoices, run recurring subscription billing, execute mass payouts, and deploy the gateway under their own branding. A unified dashboard provides transaction management, analytics, and withdrawal to bank accounts.

CoinGate Billing provides formal invoice management systems with line items, payment terms, and business transaction workflows. It also includes simple payment request tools via email or direct link for ad-hoc transactions without formal invoicing features.

Bitzaro Invoice is a B2B invoicing platform that lets businesses create and send stablecoin invoices to clients worldwide. Invoices are issued and settled exclusively in a US dollar-pegged stablecoin, generating single-use payment links and QR codes that expire after a set period so clients can pay without creating an account. The platform supports settlement across multiple blockchains and includes merchant team permissions, transaction screening, and automated reporting for reconciliation. Payments settle directly into the merchant's Bitzaro Wallet.

JustMoney Invoice is a cryptocurrency invoicing platform enabling freelancers and businesses to create professional invoices with automatic payment tracking. The system integrates with JustMoney Pay payment gateway to generate unique payment links for each invoice, automatically monitoring settlement status through API integration and supporting PDF generation with customizable branding.

API Suite is a payments infrastructure product that lets businesses integrate stablecoin and fiat payment processing into their own systems or manage payments through a no-code treasury dashboard. It unifies stablecoin settlement with local payment rails through a single API, enabling cross-border payments, local currency collection and payout, virtual USD and EUR accounts, and digital asset wallet functionality, while a companion portal provides the same capabilities through a managed dashboard with multi-currency balance management, team permissioning, and invoice-to-pay workflows. Fintechs, banks, telecoms, and corporates use the API to modernize payouts and treasury workflows without building blockchain infrastructure themselves, while finance and treasury teams use the portal for reconciliation and cross-border payouts without writing code. Webhooks and sandbox testing support automated, real-time financial workflows and faster integration.

MaxelPay Payment Gateway is a merchant payment gateway that lets businesses accept cryptocurrency payments and route them to a payout wallet the merchant controls. It works through an API and plugin-based integration that embeds crypto checkout into websites and applications, offering QR code, in-wallet, and direct wallet transfer payment options without requiring buyer identity verification. Merchants can also generate itemized invoices and e-invoices with set amounts and expiration terms, sent as payment links or email, and track settlement status from a dashboard. A self-custodial wallet component lets merchants store and manage received funds directly, retaining control of private keys while connecting to the same dashboard for payment tracking. The platform supports payments across multiple blockchain networks and a range of tokens for businesses of varying sizes.

AurasPay is a non-custodial crypto payment platform that lets businesses accept digital-asset payments across online and in-person channels. Merchants create payment links, QR checkouts, invoices, and point-of-sale requests through a merchant dashboard, with an accompanying REST API and commerce plugins for embedding checkout into existing platforms. Payments settle directly to merchant-controlled wallets across multiple blockchains without AurasPay taking custody of funds. The platform also offers white-label deployment for businesses that want a branded payment experience on shared infrastructure.

Radom is a merchant payment gateway that enables businesses to accept cryptocurrency and stablecoin payments through hosted checkout pages, payment links, and invoicing tools. The platform lets merchants manage recurring subscription billing, generate dedicated deposit addresses for customer attribution, and connect bank-led collection through virtual accounts and open banking. It also provides crypto-to-fiat conversion, stablecoin settlement, and bulk payout tools for disbursing funds across multiple blockchains and currencies. Businesses and payment service providers use the platform's dashboard and APIs to embed these payment, collection, and treasury functions into their own products.

ForumPay is a merchant payment gateway that lets businesses accept cryptocurrency payments online and in person. It provides checkout widgets, payment buttons, payment links, and a virtual terminal that convert crypto payments instantly into a merchant's preferred fiat currency. The platform also supports recurring subscription billing, automated mass payouts and disbursements, invoice-based billing, over-the-counter trading, remittance transfers, and fiat-to-crypto conversion. Businesses across e-commerce, retail, and service industries use it to accept and send multiple cryptocurrencies without exposure to price volatility.

Notabene Flow is a stablecoin payment infrastructure network for wallets, issuers, fintechs, and payment service providers. It coordinates pull payments such as merchant-initiated invoices, push payments such as sender-initiated payouts, and recurring billing cycles for business commerce. The network relies on an open authorization protocol to verify identities, enforce compliance policy, and authorize settlement across payment agents before funds move on-chain. Participants integrate as payment-initiating agents, payment-responding agents, or infrastructure providers through application programming interfaces, and the network coordinates and authorizes transactions without holding funds or acting as a custodian.

Payouts Platform is a unified payments infrastructure and orchestration platform that lets businesses move, manage, and automate money through one ledger and API. It routes payouts and collections across dozens of banking rails, cards, and on-chain stablecoin transfers, while automating accounts payable and receivable, tax form collection, reconciliation, and approval workflows. Vendors, clients, and internal teams access dedicated portals, and the same functionality is exposed to AI agents through a Model Context Protocol interface and agent payment protocols. Businesses use it to consolidate global disbursements, collections, compliance checks, and card issuance within a single audited system.

Infini is a financial services platform that provides businesses with stablecoin and fiat payment acceptance, corporate card issuance, invoicing, payroll, multi-currency accounts, and treasury yield tools through a single dashboard. Merchants accept payments via hosted checkout, payment links, and invoices, while corporate cards let teams fund spending from fiat or stablecoin balances with budget controls. The platform also issues multi-currency virtual accounts for cross-border collection and payouts, and lets businesses allocate idle stablecoin balances to market-neutral yield strategies. Payroll and vendor settlement tools automate bulk stablecoin payouts, and all functions are accessible from one account across multiple supported blockchains.

Qash is a self-custodial business banking platform for crypto companies that unifies treasury management, payroll, invoicing, and payment tracking into a single workspace. It replaces the fragmented combination of multisig wallets, centralized exchanges, and spreadsheets that crypto companies typically rely on for financial operations. The platform uses multi-owner accounts requiring multiple approvals for fund movement and applies zero-knowledge proofs so payroll amounts, treasury balances, and transaction histories stay confidential on-chain, visible only to authorized team members. Businesses can run payroll with automatic invoice generation, issue and manage client invoices and bills, and share payment links for one-off collections, all from one self-custodial account structure.

BloccPay Payroll Platform is a crypto-powered payroll and invoicing system that lets businesses pay global teams and independent contractors in cryptocurrency or fiat. It processes payments through stablecoin rails, converting between crypto and fiat while preserving fund value during storage and transfer. Businesses schedule batch payroll runs across countries, while talents generate invoices and receive same-day payments into a built-in wallet or their preferred payout method. The platform also provides talents with access to lifestyle and financial-wellness benefits tied to their earnings.

Skyline Digital Platform is a non-custodial neobank that provides regulated financial services bridging traditional finance and crypto for Web3 businesses, DAOs, and high-net-worth individuals. It lets users convert between crypto and fiat, hold virtual accounts in multiple currencies, and settle payments worldwide using major stablecoins. The platform also supports over-the-counter trades, access to tokenised securities such as short-term treasury instruments, and invoicing tools for tracking and approving payables. Users connect their own non-custodial wallets, including multi-signature and browser-extension wallets, rather than depositing funds into platform custody. Card issuance and crypto-backed lending are offered as additional planned services alongside the platform's compliant privacy features.

Blockroll is a neobank for Nigerian freelancers, gig workers, and remote workers that combines multi-currency accounts with digital payment tools. Users hold and convert fiat currency and stablecoins in a single wallet, send and receive payments globally, pay bills and buy airtime, and generate invoices to collect client payments. The platform also issues a virtual spending card funded with stablecoins for online purchases and subscriptions, alongside a shareable profile hub for freelancers to list services and payment links.

Acctual is an invoicing and accounts payable and receivable platform for freelancers, agencies, and small businesses conducting cross-border transactions. It lets users create and send invoices that clients can pay by card, bank transfer, or stablecoins, converting incoming funds to a preferred currency and settling directly to a connected bank account or crypto wallet. The platform also supports transferring stablecoins between blockchain networks and converting between bank deposits and crypto, and it syncs paid invoices automatically with accounting software.