x402 List alternatives

Tools that do what x402 List does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from x402 List.

Read 2026-11-03 · x402 List itself: From $0.01 per use

With a free plan or free to use: Postman, UptimeRobot, Alchemy, Hyperping, Checkly, Reqistry, GitHub.

10 alternativesUnlike x402 List

#1
Agent Service Directory Developer tools MCP · open
Measures and lists agent APIs, MCP servers and marketplaces by uptime, response time, and stated x402 payment terms.
Same job
Little sign of use
Active
#2
Postman Developer tools MCP · sign-in
Designs, tests, and manages APIs with integrated documentation, mocking, monitoring, and workflow automation.
Free planMore widely used
202k
Active
From $9/mo
2013
#3
UptimeRobot Developer tools MCP · sign-in
Checks websites, APIs, ports and cron jobs on a schedule and sends alerts when they fail or slow down.
Free planMore widely used
283k
Active
From $12/mo
#4
ToolVet Developer tools MCP · open
Checks paid x402 APIs and MCP servers on a schedule and scores each one out of 100 for uptime and real charges.
Same job
Little sign of use
Active
#5
Graded Developer tools MCP · open
Grades x402 pay-per-request API services on whether agents can use them, and proxies calls to passing ones through one prepaid endpoint.
Same job
Little sign of use
Active
#6
Alchemy Developer tools MCP · sign-in
Provides node RPC endpoints, indexed blockchain data APIs, and wallet and transaction APIs across about 100 chains.
Free planCosts more
174k
Active
From $0.52 per use
2017
#7
Hyperping Developer tools MCP · open
Runs uptime, server, cron and browser checks, then alerts on-call staff and publishes status pages.
Free planMore widely used
67.5k
From $24/mo
2017
#8
Checkly Developer tools MCP · sign-in
Monitors application uptime and user flows with synthetic tests deployed globally and managed as code.
Free planMore widely used
3.8k
Active
From $24/mo
2000
#9
Reqistry Developer tools MCP · open
Searches, compares and monitors public APIs, scoring their uptime, docs, auth and CORS support for developers and coding agents.
Free planAlso: Search
115
Active
Free
#10
GitHub Developer tools
Hosts Git repositories with pull requests, code review, issue tracking and Actions pipelines for building, testing and deploying code.
Free planAlso: Workflow automation, Code generation
42M
Active
From $4/user/mo
2007

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How this list is made: the words x402 List is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.