Market Context
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Volume / market cap 24.2%
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ETH $1,695 -2.15%
Updated Jun 18, 2026 20:00 UTC
StableCoin.com Directory

x402 Services and Endpoints

Services and endpoints are the buyer-facing side of the micropayment market: APIs, data, compute, content, and tools that can charge per request instead of forcing accounts or subscriptions.

Market Shape

What can become pay-per-use

The strongest x402 candidates are resources with clear unit economics and immediate digital delivery.

  • Data APIs Search results, web data, market data, blockchain analytics, identity signals, pricing feeds, or verification checks.
  • AI and compute Model inference, image generation, code execution, transcription, rendering, or specialized agent tools.
  • Content access Articles, research pages, files, premium snippets, creator resources, or paywalled documents.
  • Developer utilities Linting, testing, enrichment, monitoring, scanning, hosting, or proxy services priced per operation.
  • Bounties and incentives Task completion, issue resolution, reputation events, tips, rewards, or outcome-based payments.
Buyer Controls

What buyers and agents need

Autonomous payments need guardrails. The more automated the buyer, the more important the control layer becomes.

  • Budget limits Maximum spend per request, session, day, service, category, and agent.
  • Allow lists Approved services, networks, assets, facilitators, and recipient addresses.
  • Receipt logging Request ID, payment amount, resource delivered, timestamps, wallet, and transaction references.
  • Refund and retry logic Clear handling for paid failures, duplicate attempts, underpayment, overpayment, and stale quotes.

Service and Endpoint References

  • x402scan
    Explorer / analytics
    x402 ecosystem explorer and analytics reference listed by x402.org.
    Official site
  • x402engine
    Pay-per-call APIs • Stablecoins: USDC and USDm references in x402 listing
    x402 ecosystem listing describes a collection of pay-per-call APIs for AI agents, model requests, crypto market data, blockchain analytics, storage, and search.
    Official site
  • WalletIQ
    Wallet intelligence API • Stablecoins: USDC reference in x402 listing
    x402 ecosystem listing describes wallet profile lookups priced per request.
    Official site
  • twit.sh
    Data API • Stablecoins: USDC reference in x402 listing
    x402 ecosystem listing describes real-time Twitter/X data for AI agents with pay-per-request access.
    Official site
  • Zyte API
    Web data API
    x402 ecosystem listing references Zyte API documentation for x402 usage.
    Official site
  • Ubounty
    Developer bounty workflow • Stablecoins: USDC reference in x402 listing
    x402 ecosystem listing describes GitHub issue bounties and automated settlement.
    Official site
  • tip.md
    Tipping / MCP service • Stablecoins: USDC reference in x402 listing
    x402 ecosystem listing describes crypto tipping flows for content creators and AI assistants.
    Official site
  • Venice
    AI service
    x402 ecosystem listing includes Venice as a service endpoint in the AI/payment ecosystem.
    Official site

x402 Directory Standards

These pages are neutral ecosystem references. Inclusion does not imply endorsement, partnership, acquisition interest, or commercial relationship.

StableCoin.com does not operate an x402 service, process payments, custody funds, or verify uptime. Entries should be checked against official docs before integration.