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Which x402 pay-per-call endpoint delivered for a task at a price? Facts from our own paid calls.
MCP endpoint :https://verified-catalog-lookup.withgrokbot.workers.dev/mcp · website · measurements and detailsPay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.
MCP endpoint :https://heiekc-ip-209-115-177-214.tunnelmole.net/mcp · website · measurements and detailsPay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.
MCP endpoint :https://imkl13-ip-209-115-177-214.tunnelmole.net/mcp · website · measurements and detailsReviewed public-data search and execution with provenance and verifiable integrity receipts.
MCP endpoint :https://public-data-catalog-mcp.yusuke8h.workers.dev/mcp · website · measurements and detailsSearch verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only.
MCP endpoint :https://sigistry.com/mcp · measurements and detailsLive Mayneart MCP server exposing the dynamic SELLABLE catalog with x402 execution.
MCP endpoint :https://mcp.mayneart.uk/mcp · measurements and detailsRead-only paddle search, specifications, comparisons, scores, and verified purchase links.
MCP endpoint :https://pickleball3.com/mcp · website · measurements and detailsEvidence-based commerce completion checks for agents. x402 paid calls and free standard metadata.
MCP endpoint :https://creator-desk-x402-isolated.onrender.com/mcp · website · measurements and detailsKeyless x402 compliance on Base: $0.001 OFAC wallet screen, $0.05 pack, $0.95 company file.
MCP endpoint :https://lionx402.com/api/mcp · website · measurements and detailsChecks x402 Bazaar resource listings against the public discovery catalog and flags drops.
MCP endpoint :https://x402-listing-monitor.acjlabs.com/mcp · website · measurements and detailsFree catalog and 2,048-character secret-scan preview for Fabler's x402 agent tools on Base.
MCP endpoint :https://x402.fablerlabs.com/mcp · website · measurements and detailsPay-per-call agent tools over x402: site audits, llms.txt generation, wallet watch, catalog.
MCP endpoint :https://www.autonomylabsweb.tech/api/mcp · website · measurements and detailsVerify signed x402 payments; treasury-scoped settlement is irreversible.
MCP endpoint :https://x402-agent-pay.com/facilitator/mcp · website · measurements and detailsCreator product picks with daily-verified store prices and Avahit's own price history.
MCP endpoint :https://avahit.com/api/mcp · website · measurements and detailsVerify and settle x402 stablecoin payments; browse the PayAI Bazaar of x402-payable resources.
MCP endpoint :https://facilitator.payai.network/mcp · website · measurements and detailsSearch 100k+ auto-verified Telegram channels, bots and groups: full-text search and top rankings.
MCP endpoint :https://tgboard.com/mcp/ · website · measurements and detailsReceipts-verified reviews of x402 services and paid APIs, before you spend.
MCP endpoint :https://usetested.com/mcp · measurements and detailsEspresso gear price history: live Amazon prices, 2+ years of daily data, BUY calls at verified lows.
MCP endpoint :https://espressosteals.com/api/mcp · website · measurements and detailsGet a real human to verify, decide, or improve an AI agent's work. Pay per review via x402 on Base.
MCP endpoint :https://verifi.cloud/mcp · website · measurements and detailsTool catalog size
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/catalog-tools/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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