SendCheck — EVM address verification (x402) alternatives

1

POPCORN MCP

by violetclaire

B

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

2

Blockrun

by BlockRunAI

B

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

3

PipRail

by piprail

B

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

4

IronWallet

by ironwallet.io

A

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

5

X402 Data Gateway

by epistemedeus

B

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

6

gate402 merchant checkout

by ogenalabs.com

A

Drop-in x402 checkout for merchants: issue terms, verify payment. $0.01 each.

7

AgentIndex

by cognivis

A

Trust scores and on-chain payment receipts for x402 services.

8

Currency Minor Unit Lint

by jmshinhwa

A

Finds the money lines that send the wrong amount to a payment API: the x100 that charges 100x in JPY

9

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

10

Churnkey

by churnkey.co

A

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

11

Quantum Readiness Scan

by quantumreadiness.eu

A

Offline scanner for quantum-vulnerable crypto; reports its coverage and emits a CycloneDX CBOM.

12

Monapay

by monapay.vn

B

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

13

Easypaydirect

by praveendias1180

B

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

Holidays/business days for 200+ countries; Japanese address, name, bank and company normalization.

15

Sepa Pain001 Reject Lint

by jmshinhwa

A

Find the lines your bank will refuse before you send the batch

16

payware

by payware

B

payware A2A payments API for merchants, ISVs and payment institutions

17

AurasPay Merchant MCP

by auraspay.com

A

Review AurasPay merchant payments and prepare payment links with scoped OAuth and human approval.

18

Losbeto

by rmartins1451

A

x402-paid market intelligence: forex, stocks, Brazil macro (BCB/B3) + crypto.

19

Nota

by PugarHuda

A

Read-only crypto research skills that check a price, RSI and ATR against independent sources.

20

Barcode Qr Code Sepa Payment Ean13

by theluckystrike

A

QR codes and barcodes offline: WiFi, vCards, SEPA payment codes, Code 128, EAN-13, SVG or PNG.

21

Amortization

by theluckystrike

A

Loan and lease schedules: payment, interest, early settlement and the journal, to the minor unit.

22

Agent Data Pro

by OrionSmithers

A

Research articles and live crypto prices for AI agents via x402 on Base.

23

AgentPay

by zapnikita95

A

RU merchant catalog for AI agents: live price, stock, choices and controlled checkout. Not x402.

Pay-per-call LLM chat plus data tools: DNS, crypto, Base gas, Wikipedia. x402 USDC or Lightning.