Freelancer Payment Protection alternatives

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.

2

three.ws Agent Payments

by nirholas

B

Governed x402 payment sessions: pay any endpoint with budget, allowlist & per-tx caps, no key.

3

X402 List

by x402-list.com

A

Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.

4

Arcadia Finance

by arcadia-finance

B

Concentrated liquidity on Uniswap/Aerodrome (rebalance, compound, leverage) or single-sided lending.

5

PipRail

by piprail

B

Budget-bound x402 payment wallet for AI agents — pays HTTP 402 URLs, capped locally. No backend.

6

Churnkey

by churnkey.co

A

Read and manage Churnkey cancel flows, retention metrics, and payment recovery

7

HPSILab Quant Finance

by haiyunsky

A

HPSILab Quant finance MCP for US stocks, ETFs, options, Monte Carlo, backtesting, and risk analysis.

8

Xero

by mindstone

A

Xero MCP server for invoices, contacts, payments, quotes, and financial reports.

9

MCP

by transparentpt

B

Budget used cars in Portugal: fair-price check, running-cost (IUC) estimate, stock search, contact.

10

POPCORN MCP

by violetclaire

B

Signed time and SHA-256 witness receipts for agents, with offline verification and x402 payment.

11

Monapay

by monapay.vn

B

MONA Pay for AI agents: create VietQR, check bank transfers, webhooks & HMAC. Vietnam bank API, VND

12

IronWallet

by ironwallet.io

A

Non-custodial crypto wallet MCP: check balances, sign and send transfers, and swap tokens locally.

13

Easypaydirect

by praveendias1180

B

Read-only MCP server for the Easy Pay Direct (EPD) / NMI-family payment gateway Query API.

14

traql

by traql.io

A

AML risk scoring for crypto addresses and transactions on Ethereum, BSC, TRON, TON, Bitcoin

15

payware

by payware

B

payware A2A payments API for merchants, ISVs and payment institutions

16

Frisk

by tryfrisk.dev

B

Screen the counterparty of an x402 payment before an agent pays it. Runs offline by default.

17

RiskState — Crypto Risk Engine

by riskstate.ai

A

Live BTC/ETH risk state: risk policy, market structure and trading playbooks. Keyless free tier.

18

X402 Data Gateway

by epistemedeus

B

Paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.

19

Xendit

by mrslbt

A

Xendit payment APIs for AI agents. Payment links, payouts, balances, and transactions.

Lint an HTTP endpoint's x402 402 conformance; decode X-PAYMENT blobs; inspect a facilitator.