x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | SecondLook secondlook.edgecasesystems.workers.dev A second opinion before your AI agent acts: catch overlooked risks, conflicting constraints, and missing information before committing to an action… | AI | Base | $0.00 | 0 | 0 |
| — | Second Opinion secondopinionx402.com Adversarial verification for AI agents, paid per verdict via the x402 protocol (USDC on Algorand, Base, Polygon, Solana). No accounts or API keys: pay per… | Data | Base, Solana | $0.00 | 0 | 0 |
| — | Secret Chat for the Chosen sandbox.easyrider.one Entry to the Secret Chat for the Chosen for 24 hours | AI | Base | $0.00 | 0 | 0 |
| — | Secret Scan x402-hono-api.inraby.workers.dev Security analysis service for assessing AWS IAM policies and auditing domain SSL/TLS certificate and HTTPS configuration. | Data | Base | $0.11 | 11 | 7 |
| — | Secure Random random.openverbs.com Cryptographically-secure randomness — bytes, integers, strings and array sampling — unbiased. | Chain infra | Base | $0.00 | 0 | 0 |
| — | security-test-benign-x402.example.com security-test-benign-x402.example.com Utility service with no documented endpoints. | Utility | $0.00 | 0 | 0 | |
| — | seed402-api.evanshvetsov2.workers.dev seed402-api.evanshvetsov2.workers.dev Provides a paid endpoint for submitting reports. | Chain infra | Base | $0.00 | 0 | 0 |
| — | Seenly Video Pitch Kit seenly-pitch-kit.vercel.app Turns caller-supplied resume content into a first-person video-pitch script using the Seenly hook/value/proof/close method. The API only uses content you… | Search | Base | $0.00 | 0 | 0 |
| — | seller.tome.global tome.global An API service at seller.tome.global with no documented endpoints. | Other | $0.00 | 0 | 0 | |
| — | Selun sagitta.systems Sagitta AAA Portfolio Infrastructure | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Semagram semagram.io Telegram catalog API. Search 2.7M channels, 260K groups and 400K bots by meaning using hybrid search (embedding similarity + BM25 keyword matches), or fetch… | Search | Base, Solana | $0.03 | 3 | 1 |
| — | semantic-deduplication-api semantic-deduplication-api.johntaylor1online.workers.dev Calculates semantic deduplication for supplied input. | Other | $0.00 | 0 | 0 | |
| — | SemVer Toolkit semver.openverbs.com Parse, compare and range-test semantic versions. | Search | Base | $0.00 | 0 | 0 |
| — | sendcheck pennyforge.org Pre-send verification for EVM addresses. One paid HTTP call (x402, USDC on Base, no account, no API key) tells your agent whether an address is safe to send… | Chain infra | Base | $0.00 | 0 | 0 |
| — | sendcheck sendcheck-x402.pennyforgeorg.workers.dev Pre-send verification for EVM addresses. One paid HTTP call (x402, USDC on Base, no account, no API key) tells your agent whether an address is safe to send… | Chain infra | Base | $0.00 | 0 | 0 |
| — | SeniorPulse seniorpulse.theaslangroupllc.com Global elder care intelligence API. AI-synthesized Medicare/pension guidance, care facility evaluation, medication safety, benefits discovery, and caregiver… | AI | Base, Solana | $0.00 | 0 | 0 |
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