Frisk alternatives

1

X402 List

by x402-list.com

A

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

2

PipRail

by piprail

B

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

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

4

POPCORN MCP

by violetclaire

B

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

5

three.ws Agent Payments

by nirholas

B

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

6

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.

8

Blockrun

by BlockRunAI

B

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

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

Xero

by mindstone

A

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

12

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

by juh5ng

A

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

13

Signalfuse

by hypeprinter007-stack

B

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

14

Easypaydirect

by praveendias1180

B

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

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

Kontor MCP

by DashankaNadeeshanDeSilva

B

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

18

Ksef Fa3 Invoice Lint

by jmshinhwa

A

Finds the lines KSeF will reject in a Polish structured invoice XML, before you send it

19

AgentServices

by agentservices.to

A

52 paid x402 API endpoints for AI agents — crypto, data, DeFi, market intelligence.

Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.

21

Xendit

by mrslbt

A

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