Agents Get Paid Kit — x402 MCP + Unlock ($49) alternatives

1

three.ws Agent Payments

by nirholas

B

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

2

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

3

X402 Data Gateway

by epistemedeus

B

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

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

5

Blockrun

by BlockRunAI

B

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

6

X402 List

by x402-list.com

A

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

7

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.

9

POPCORN MCP

by violetclaire

B

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

10

Frisk

by tryfrisk.dev

B

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

11

AgentServices

by agentservices.to

A

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

12

Permitverdict

by okwithit9-debug

C

Crypto price-event settlement verdicts and US building-permit data, paid per call in USDC.

MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out

14

WebCrypt MCP Server

by putervision

A

Zero-dependency Web Crypto & AI Agent MCP Server (AES-256-GCM, RSA-4096, PQC, Signatures).

15

Churnkey

by churnkey.co

A

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

16

Xero

by mindstone

A

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

17

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

by juh5ng

A

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

18

aikstockdata — Korean Stock Data

by aikstockdata.com

A

Korean stocks: median price path after each DART filing type, T+1 closes, earnings. 12 tools, no key

19

Stelar Signals

by StelarDigital

A

Crypto market signals and portfolio telemetry. 6 tools pay-per-call in USDC, no API key.

20

Signalfuse

by hypeprinter007-stack

B

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

21

Easypaydirect

by praveendias1180

B

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

22

payware

by payware

B

payware A2A payments API for merchants, ISVs and payment institutions

23

Crawlora MCP

by crawlora.net

A

Hosted MCP: 1873 structured web-data tools for search, maps, commerce, social, gaming & finance.

24

Xendit

by mrslbt

A

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