x402 Agent Pay alternatives

Tools that do what x402 Agent Pay 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 Agent Pay.

Read 2026-10-26 · x402 Agent Pay itself: Free plan

With a free plan or free to use: Loomal, API Ninjas, ToolOracle, PayAI.

10 alternativesUnlike x402 Agent Pay

#1
Mercury402 Finance
Serves financial data endpoints via pay-per-call USDC payments on Base blockchain for autonomous agents.
More widely used
730 installs/mo
Active
From $0.05 per use
#2
Loomal Finance
Adds a payment layer to APIs and stores so AI agents can purchase access using USDC cryptocurrency.
More widely used
62
Maintained
From $49/mo
#3
Lionx402 Finance MCP · open
Pay-per-call endpoints that screen wallets against OFAC sanctions lists and return company research, paid in USDC on Base.
Same job
2
Active
#4
API Ninjas Finance MCP · open
Serves 146 data endpoints, such as earnings call transcripts, over HTTP, plus an MCP server for AI agents.
More widely used
6.9k
Active
From $59/mo
#5
Synthex Forge Agents MCP · open
Pay-per-call endpoints where autonomous agents receive an HTTP 402 price, settle USDC on Base, and receive results.
Same job
1
Pay per use
#6
Boson dACP Finance MCP · open
Escrows payments for agent and human trades, releasing funds only on delivery or refunding the buyer, with on-chain dispute resolution.
Same job
34
Active
#7
ToolOracle Finance MCP · open
Routes agent intents to MCP and A2A tool endpoints across finance, compliance, travel and other domains.
Same job
1
Maintained
From $0.01 per use
#8
PayPal Finance MCP · sign-in
Digital wallet that sends and receives money, issues a debit card, offers installment payments and holds savings balances.
More widely used
8.2M
Active
1998
#9
PayAI Finance MCP · open
Verifies and settles USDC payments for x402 requests on Solana and EVM networks, so servers can charge per request.
Same job
133
Active
#10
Stripe Finance MCP · sign-in
Processes payments globally and provides financial infrastructure for businesses to accept, manage, and optimize revenue.
More widely used
3.2M
Active
From $2.70 per use
2010

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How this list is made: the words x402 Agent Pay 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.