x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #273 | ASCII Art x402 API ascii-x402-production.up.railway.app Convert an uploaded image into terminal-friendly ASCII art. The operation costs $0.001 USDC on Base mainnet and uses x402 protocol version 2. | Media | Base | $0.024 | 22 | 6 |
| #274 | CF Exclusion Check cf-exclusion-check.cf-exclusion-check.workers.dev Pay-per-call screening against the HHS-OIG LEIE and SAM.gov exclusion lists. | Other | Base | $9.26 | 61 | 4 |
| #275 | SwarmIO Cloud API ioswarm.io AI that does real work for you. One POST kicks off a job that searches the web, reads sources, and writes a cited report; poll for the result. | Data | Base | $19.47 | 64 | 7 |
| #276 | ATMS Treasury nathanlidurin.com API centrale ATMS — 2 couches : (1) ressources REST scopées groupe/table, (2) use-cases agents composant la couche 1 via @atms/core. Garde-fous : visa1… | AI | Base | $0.011 | 11 | 9 |
| #277 | Rigoblock rigoblock.com AI-powered DeFi trading API for autonomous agents. Protected by the x402 v2 payment protocol — pay per request in USDC on Base mainnet, no API key required. | Data | Base | $0.0184 | 8 | 7 |
| #278 | alpha402x alpha402x.com Provides paid SEC filing bundles containing filing HTML, rendered financial statements, and accession manifests. | Data | Base | $6.85 | 37 | 7 |
| #279 | Signal Forge Prospect Qualifier signalforgestudios.com Pay-per-call prospect qualification, listing formatting, ad/page checks and batches, English creative OCR, campaign-link checks, email HTML preflight and… | Data | Base | $0.625 | 20 | 8 |
| #280 | RQM Managed simulator rqmtechnologies.com Hosted prepaid service execution. Funding and policy changes are owner-only. x402 remains at /x402/buyer-jobs/<service-id. | Data | Base | $2.64 | 54 | 7 |
| #281 | AgentReader agentreader.dev Pay-per-call content extraction and web intelligence for AI agents. Payments via the x402 protocol: unpaid requests return HTTP 402 with payment requirements… | AI | Base | $0.319 | 34 | 10 |
| #282 | AVentTech x402 Data Services aventtech.com Machine-payable data APIs. Pay per call with USDC on Base via the x402 protocol (HTTP 402). No API keys. Operator: AVentTech P.C. (aventtech.com). | Data | Base | $0.825 | 55 | 11 |
| #283 | contextiq.trango-compute.com trango-compute.com Provides paid policy checks and inspectors for x402, agent protocols, DNS, ERC-8004, and token pricing. | AI | Base | $0.96 | 48 | 6 |
| #284 | v0-x402-enabled-endpoint-ochre.vercel.app v0-x402-enabled-endpoint-ochre.vercel.app Provides a paid API endpoint for retrieving premium insights. | AI | Base | $0.18 | 18 | 3 |
| #285 | api.tag-per-track.cloud tag-per-track.cloud Analyzes audio tracks, with an option to include lyrics in the analysis. | Media | Base | $1.90 | 22 | 3 |
| #286 | invinoveritas babyblueviper.com The verification layer for autonomous agents — a neutral verdict before an irreversible action (/review), a signed proof after (/prove), and a public… | AI | Base | $0.1366 | 5 | 2 |
| #287 | x402-seller x402-seller-m8nx.onrender.com Calibrated token-survival probabilities for autonomous trading agents. Keyless by design: no signup, no API key — pay per call in USDC (x402). /vet and… | Data | Base | $0.14 | 10 | 4 |
| #288 | Scribed pennypress.org Provides access to Scribed essays through a website and API. | AI | Base | $1.66 | 95 | 8 |
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