| Seite API Prüft am Objekt seite den Befund Zieldomain der Übermittlung. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Übermittlung vor Einwilligung. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Freigabe durch robots.txt. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Vorkommen in der Sitemap. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Zeit bis zum sichtbaren Renderstart. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund selbstreferenzierende kanonische Adresse. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Wert der Meta-Robots-Angabe. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Zahl renderblockierender Ressourcen. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Zahl enthaltener Formulare. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Anteil moderner Bildformate. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund verwendete Formularmethode. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund HTTP-Status der Sitemap. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Wert des X-Robots-Tags. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund deklarierte Crawl-Verzögerung. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund vorhandene Feldbeschriftung. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Kennzeichnung als Pflichtfeld. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund ausgelieferten Inhaltstyp. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund technische Indexierbarkeit. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Zahl geladener Ressourcen. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Zahl der Adressparameter. | halowerk.com | - | $0.001 | listed |
| Seite API Prüft am Objekt seite den Befund Zeit bis zum ersten Byte. | halowerk.com | - | $0.001 | listed |
| Selector API Turns a Solidity signature like transfer(address,uint256) into its 4-byte function selector and its 32-byte event topic0. What you need to build calldata by hand or to filter logs. | workers.dev | - | $0.0025 | listed |
| Self Financeable API Business Frameworks business-frameworks/growth/self-financeable@1.0 — The growth the business can pay for itself. Call when an agent needs the operating logic behind growth before using the scale bands and decision rules below it. Returns 350 tokens of original synthesis with public citations and child handles; free layer at /catalogue. | workers.dev | - | $0.03 | listed |
| Sellat eIDAS qualified electronic timestamp (RFC 3161) from an EU qualified trust service provider, on a Sellat proof of yours. Use when the date must hold before an EU court or authority: it carries the legal presumption of accuracy of art. 41.2 eIDAS. Issued in seconds. | sellat.app | - | $0.90 | listed |
| Sellat Sellat proof of existence for one SHA-256: anchored on Polygon in the next fast batch (minutes) and attested on Bitcoin through OpenTimestamps; certificate, proof.json and evidence ZIP, verifiable without Sellat. | sellat.app | - | $0.01 | listed |
| Seller Due Diligence For One X402 Endpoint API Seller due-diligence for one x402 endpoint. We make a real capped test payment, check the paid response against the listed schema, compare payTo with the CDP listing, read a recent window of on-chain USDC payments to the payTo and screen for lookalike addresses. Returns a signed JSON verdict of evidenced facts. No charge unless the test payment and all 4 other checks complete. Facts, not endorsement; no warranty. Not affiliated with the seller checked. $5. | horizonpulse.dev | - | $5.00 | listed |
| Seller Profile API Public seller and payment-receiver signals for an x402 service URL and payee address. | blockchainmoneymap.com | - | $0.25 | listed |
| Seller Reputation Trust score 0-100 for an online store domain or URL: domain age (RDAP), HTTPS, MX/SPF/DMARC, return policy and contact, Tranco rank, phishing lists, scam patterns. Short JSON with risk, advice, red_flags, reasons. | elestio.app | - | $0.02 | listed |
| Seller dossier by hostname (?host=api.example.com): that seller's x402 routes with 30-day calls and paying wallets, price ladder, networks and market share; without ?host — the top sellers by paying w Seller dossier by hostname (?host=api.example.com): that seller's x402 routes with 30-day calls and paying wallets, price ladder, networks and market share; without ?host — the top sellers by paying wallets. | workers.dev | - | $0.05 | listed |
| Semiconductor Intelligence API For Agents API Semiconductor intelligence API for agents. Covers fab capacity, foundries, GPU shipments, advanced packaging, export controls, chip manufacturing, and supply-chain disruptions. Structured JSON signals with credibility scoring, evidence, related signals, and source URLs. Pay-per-request via x402 on Base Mainnet; free discovery available. | signalsfeed.com | - | $0.01 | listed |
| Semver Range API npm SemVer + PEP 440 range checks; optional latest from npm/PyPI public JSON. | vercel.app | - | $0.002 | listed |
| Send A Linkedin Invitation API Send a LinkedIn invitation. Requires the invite grant and Idempotency-Key. | oneshotagent.com | - | $0.02 | listed |
| Send An Email Message From An Inbox API Send an email message from an inbox. At least one recipient (to, cc, or bcc) is required. Returns the message_id and thread_id. Replace {inbox_id} directly in the path with the full inbox email (e.g., /v0/inboxes/myagent@agentmail.to/messages/send). | orthogonal.com | - | $0.01 | listed |
| Send Native API Pay the send-native execution fee (native coin transfer) | blockchhub.link | - | $0.05 | listed |
| Send an email for me Send an email for me | fly.dev | - | $0.10 | listed |
| SeniorPulse Dementia stage and care-trajectory planning / cognitive staging from MMSE, MoCA, or CDR scores: where someone is on the dementia progression and what care the next stage requires. For caregiver and senior-care agents — informational, not medical advice. | theaslangroupllc.com | - | $0.10 | listed |
| SeniorPulse Caregiver support guide / caring for an aging parent: the legal documents to put in place, respite-care options, local resources, and burnout-prevention guidance. For caregiver and family agents — informational. | theaslangroupllc.com | - | $0.10 | listed |
| SeniorPulse Medicare plan guidance / Original Medicare vs Medicare Advantage, Medigap, and Part D comparison with enrollment timing to pick the right coverage for an individual. For Medicare and senior-care agents — informational, not insurance advice. | theaslangroupllc.com | - | $0.15 | listed |
| SeniorPulse Senior care facility comparison / assisted living vs memory care vs nursing home cost: facility types, cost ranges, and an evaluation checklist with local context. For caregiver and senior-care agents — informational estimate, not advice. | theaslangroupllc.com | - | $0.15 | listed |
| SeniorPulse VA Aid and Attendance eligibility / veteran long-term-care benefit guide: whether a wartime veteran or surviving spouse qualifies and how to apply, from income, assets, and care costs. For caregiver and benefits agents — informational. | theaslangroupllc.com | - | $0.15 | listed |
| SeniorPulse International state pension intelligence: eligibility, amount, and claiming-timing guidance for public pension systems worldwide. Deep coverage for UK, Canada, Australia, Germany, India, Japan, plus totalization agreements and frozen-pension-abroad rules. For retirement-planning and caregiver agents. | theaslangroupllc.com | - | $0.15 | listed |
| SeniorPulse After-death checklist / what to do when an elderly parent or spouse dies: estate steps to take, survivor benefits to claim, and grief-support resources. For family and caregiver agents — informational. | theaslangroupllc.com | - | $0.10 | listed |
| SeniorPulse Elder-law document guide / power of attorney, healthcare proxy, advance directive, and guardianship, by state: what each does and when an older adult needs it. For elder-law and caregiver agents — informational, not legal advice. | theaslangroupllc.com | - | $0.10 | listed |
| Seniorities API Get available seniority values for lookalikes filtering. | orthogonal.com | - | $0.005 | listed |
| Sensor Calibration API Fits reference = slope × observed + offset with ordinary least squares over paired caller-supplied readings. It reports residual diagnostics and does not claim traceability, uncertainty accreditation or suitability beyond the supplied calibration range. | halowerk.com | - | $0.003 | listed |
| Sensor Calibration Measurements API Sensor calibration measurements - Secondary-measure weighted mean: Secondary-measure weighted mean for Sensor calibration measurements. Up to 200 supplied typed records. Local descriptive analytics; no enrichment or forecast. One of 25 new profiles across 20 shared operations in this industry. 0.01 USDC includes one bounded secondary-measure weighted mean report. | datapackvibe.com | - | $0.01 | listed |
| Sentedge Trust API SentEdge Trust: is this agent trustworthy? Confidence score from signed bilateral attestations plus a separate visibility signal, with full component breakdowns; paid boosts never inflate trust. GET form for agents that cannot send POST: same price and response, fields as query parameters. Free alternative: GET /v1/signals. Full API: https://sentedge.ai/trust/skill.md | sentedge.ai | - | $0.01 | listed |
| Sentedge Trust API SentEdge Trust: is this agent trustworthy? Returns a confidence score derived from signed bilateral attestations (both parties sign each outcome), plus a separate visibility signal, with the full component breakdown for both. Confidence and visibility are deliberately separate — paid boosts and curator endorsements move visibility only and can never inflate trust. Free alternative: GET /v1/signals. Full API: https://sentedge.ai/trust/skill.md | sentedge.ai | - | $0.01 | listed |
| Sentedge Trust API SentEdge Trust: which agents are gaining attention right now? Surfaces agents rising on the visibility signal over a 1h/6h/24h/7d window. Visibility is a discovery index, NOT a trust score — check confidence separately before transacting. Filterable by domain and repeat-intent ratio (how often counterparties come back). Free alternative: GET /v1/discover. Full API: https://sentedge.ai/trust/skill.md | sentedge.ai | - | $0.03 | listed |
| Sentedge Trust API SentEdge Trust: buy temporary visibility for your own agent in discovery feeds and rankings. This moves the visibility signal ONLY — it cannot raise your confidence score or confidence tier, which come solely from signed attestations on completed interactions. Paying for reach never buys trust here. Free alternative: build confidence by recording real interactions via POST /v1/interactions and POST /v1/attest. Full API: https://sentedge.ai/trust/skill.md | sentedge.ai | - | $0.12 | listed |