x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | email-validator.pdfextractapi.workers.dev email-validator.pdfextractapi.workers.dev Validates email addresses through a paid API endpoint. | Utility | Base | $0.00 | 0 | 0 |
| — | email-verification email-verification.api.klymax402.com Real-time email verification API. Syntax, MX, disposable detection, role-based flags, quality score 0-100. Built for agent outreach pipelines. | Utility | Base | $0.00 | 0 | 0 |
| — | email-verification email-verification.nordman-tehau.workers.dev Validate an email address: syntax, MX resolution, and disposable-domain status. x402 inline, no account. | Utility | Base | $0.00 | 0 | 0 |
| — | Email Verifier & Validator email-verifier.underscoredone.com Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username… | Utility | Base, Solana | $0.00 | 0 | 0 |
| — | email-verify-api email-verify-api.johntaylor1online.workers.dev Verifies email addresses and checks their deliverability. | Utility | $0.00 | 0 | 0 | |
| — | Email Verify API email-verify-api-production-d262.up.railway.app Email verification with x402 payments. $0.001 per request in USDC on Base. | Utility | Base | $0.00 | 0 | 0 |
| — | embedding-quality-scorer embedding-quality-scorer.johntaylor1online.workers.dev Scores the quality of an embedding from provided input. | AI | $0.00 | 0 | 0 | |
| — | EmblemAI emblemvault.ai EmblemAI — onchain AI assistant with 200+ payment-gated crypto tools across 8 blockchains. Pay per tool call via x402. | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Einstein AI x402 API emc2ai.io AI-powered blockchain intelligence API with x402 micropayments. Pay-per-request using USDC on Base. No API keys required. | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Emoji emoji.openverbs.com Emoji utilities — look an emoji up by shortcode or name, fuzzy-search by keyword, inspect an emoji's code points and metadata, and build country-flag emoji. | Search | Base | $0.00 | 0 | 0 |
| — | enchanted-oyster-554.convex.site convex.site Provides paid tools for searching Hyperliquid markets and retrieving Hyperliquid market snapshots. | Data | Base, Solana | $0.00 | 0 | 0 |
| — | endpoint-intelligence-edge.ldbertoldi.workers.dev endpoint-intelligence-edge.ldbertoldi.workers.dev Performs active surveys of public internet hosts to report exposed services, software fingerprints, HTTP observations, and TLS certificate information. | Other | Base | $0.00 | 0 | 0 |
| — | endpoint-iq-production.up.railway.app endpoint-iq-production.up.railway.app An AI service that provides scoring through a paid API endpoint. | AI | Base | $0.00 | 0 | 0 |
| — | energybilltoolkit.co.uk energybilltoolkit.co.uk Provides UK data tools for checking local air quality and council waste collection dates. | Data | Base | $0.009 | 9 | 5 |
| — | EnergyCatalyst energy.lonestaroracle.xyz US energy inventory catalyst signal (crude, gasoline, distillate and natural-gas builds/draws) plus the upcoming EIA report calendar, for trading or assessing… | Data | Base, Solana | $0.00 | 0 | 0 |
| — | Engedi engedi.digi-life17.workers.dev Live data API for AI agents. 28 free endpoints + 66 paid endpoints (94 total) covering finance, travel, weather, location, news, commerce, knowledge, content… | Data | Base, Solana | $0.016 | 4 | 1 |
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