PayGuard alternatives

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

2

POPCORN MCP

by violetclaire

B

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

3

three.ws Agent Payments

by nirholas

B

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

4

X402 List

by x402-list.com

A

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

5

PipRail

by piprail

B

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

6

Xero

by mindstone

A

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

7

X402 Data Gateway

by epistemedeus

B

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

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

9

Blockrun

by BlockRunAI

B

Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.

10

Tapetide — Indian Stock Market (NSE & BSE)

by tapetide.com

A

52 tools for Indian stock markets — NSE & BSE quotes, screener, financials, FII/DII, options

11

Hive Intelligence MCP

by hiveintelligence.xyz

B

Evidence-backed crypto due diligence with sources, freshness, and a runtime receipt on every call.

12

Agent402.Tools: pay-per-call web tools

by MikeyPetrillo

A

Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, free via PoW or card credits

13

Churnkey

by churnkey.co

A

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

14

K-Data — Korean Sell-Side Research & Market Data

by juh5ng

A

Korean equity research, analyst revisions, kimchi premium and news via x402.

15

MCP

by transparentpt

B

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

16

Invoice Intake (reference)

by justdukkan.com

A

Reference invoice-intake MCP servers: read/draft/commit split, typed errors, approval gate, audit

17

Monapay

by monapay.vn

B

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

18

Signalfuse

by hypeprinter007-stack

B

11 tools: crypto signals, sentiment, macro regime, arena, search, exec. x402 pay-per-call.

19

IronWallet

by ironwallet.io

A

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

20

Easypaydirect

by praveendias1180

B

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

Read crypto reference prices and verify signed receipts. Includes limited keyless samples.

22

payware

by payware

B

payware A2A payments API for merchants, ISVs and payment institutions

23

Kontor MCP

by DashankaNadeeshanDeSilva

B

Offline e-invoice tools for AI agents: validate, audit, convert and generate XRechnung/ZUGFeRD.

24

Eco Policy MCP

by Akhilesh-Chandewar

A

Indian finance MCP server: mutual-fund NAVs, GST & income-tax tools, RBI rates, NSE quotes.