universal x402 & A2A endpoint alternatives
Tools that do what universal x402 & A2A endpoint 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 universal x402 & A2A endpoint.
Read 2026-11-01
With a free plan or free to use: Alchemy, Cloudflare, Loomal, SwiftNodes, GitHub.
- #1

AlchemyDeveloper toolsMCP · sign-in
Provides node RPC endpoints, indexed blockchain data APIs, and wallet and transaction APIs across about 100 chains.
Free planMore widely used
174kActiveFrom $0.52 per use2017 - #2

x402HubDeveloper toolsMCP · open
SDK for building AI agents that make payments and prove identity on-chain using X402 and ERC-8004 protocols.
Also: AgentsMore widely used
42 installs/moActive - #3

PAYFORAPIDeveloper toolsMCP · open
Pay-per-call API gateway that lets agents buy data endpoints like weather, crypto prices and news with USDC over x402.
More widely used
Little sign of useActive - #4

CloudflareSecurityMCP · open
Proxies website traffic through a global network for CDN caching, DNS, DDoS protection and a web firewall, plus Workers serverless code and zero-trust access.
Free planAlso: Agents
4.9MActiveFrom $7/user/mo2009 - #5

LoomalFinance
Adds a payment layer to APIs and stores so AI agents can purchase access using USDC cryptocurrency.
Free planMore widely used
62ActiveFrom $49/mo - #6

MicrosoftDeveloper tools
Sells Windows, Microsoft 365 and Azure cloud services, plus Surface devices and Xbox consoles.
More widely used
135MActive1975 - #7

SwiftNodesDeveloper toolsMCP · open
Hosts blockchain RPC endpoints for many networks behind one API key, reachable over HTTP and WebSocket.
Free planMore widely used
6ActiveFrom $49/mo - #8
BlixtworksDeveloper toolsMCP · open
Pay-per-call API endpoints for hashing, image resizing, OCR, DNS and blockchain lookups, settled in USDC via x402.
More widely used
197 installs/moActive - #9

GitHubDeveloper 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
42MActiveFrom $4/user/mo2007 - #10

AiFinPayDeveloper toolsMCP · sign-in
Enables autonomous AI agents to pay for API calls on-chain with per-call settlement across multiple blockchains.
Also: AgentsMore widely used
2.9k installs/moActiveFrom $1 per use
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How this list is made: the words universal x402 & A2A endpoint 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.
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