Dapp store Solana Web3 wallet tools Web3 payment tools

PayAI

Web3 payment toolsStablecoin payment platforms

PayAI

PayAI is an x402 payment facilitator that lets AI agents and apps accept stablecoin micropayments on Solana.

Transaction Fees, Open-source

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What is PayAI?

PayAI handles x402 payments for AI agents, SaaS, and APIs by settling stablecoin transactions in under a second on Solana. Merchants integrate pay-per-request pricing with no API keys or accounts, test payments against the Echo Merchant for free, and discover agent services through the open agent marketplace.

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Web3 dapps and developer tools related to PayAI

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TransFi

Alchemy CustomerFiat onramps

TransFi is a stablecoin-powered cross-border payment infrastructure platform for global businesses.

Alchemy Pay

Fiat onramps

Alchemy Pay is a fiat-to-crypto payment gateway connecting traditional payment rails to Web3 apps.

REAP

Alchemy CustomerWeb3 credit cards

Reap allows web3 projects to spend crypto like fiat and manage business finances on one platform.

Bridge

Stablecoin infrastructure

Bridge is a stablecoin infrastructure platform that lets businesses receive, store, convert, issue, and spend stablecoins through APIs.

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Developer resources from Alchemy

The stablecoin orchestration problem: Why payment companies are stuck between vendors

Overview

Finance

The stablecoin orchestration problem: Why payment companies are stuck between vendors

The stablecoin orchestration market didn't consolidate as expected. Here's why payment companies face harder vendor decisions than ever, and how to decouple infrastructure from orchestration.

Blog

Technical

How to build a stablecoin in 2026

A technical guide covering everything you need to know to build your own stablecoin.

Case study

Wallets

How Slash built stablecoin banking with smart wallets

How Slash uses smart wallets to power gasless stablecoin banking for 3,000+ businesses globally

PayAI alternatives

Explore web3 competitors and apps like PayAI.

Lightning Network

Web3 payment tools

Lightning Network is a decentralized protocol that enables instant, high-volume Bitcoin payments using off-chain payment channels.

Superfluid

Alchemy CustomerWeb3 payment tools

Superfluid is a crypto payment streaming protocol that brings subscriptions, salaries, and rewards to businesses.

Pan Network

Web3 payment tools

Pan Network is a BNB Chain AI agent payment protocol that lets autonomous agents settle services with x402 and ERC-8004.

PocketPay Finance

Web3 payment tools

PocketPay Finance enables eCommerce merchants to securely accept cryptocurrency as payments.

View all alternatives

App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

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