x402 sellers, page 67
4,916 sellers · measured by our own test calls. Open a row for its signed receipts.
| Service | Category | Status | Recent Checks OK | Response Time | Price Per Call | Last Checked |
|---|---|---|---|---|---|---|
| witness.outbid.sh Discovery challenge — the paid deliverable is POST /witness. | Identity/Security Checks | Live | 20/20 | 357 ms | $0.01 | 10 min ago |
| witnessd.vip | Identity/Security Checks | Live | 20/20 | 127 ms | $0.02 | 28 min ago |
| wolframalpha.x402.paysponge.com | Finance/FX/Stocks | Live | 20/20 | 236 ms | $0.02 | 22 min ago |
| workagnt.ai | Onchain/Crypto Data | Live | 20/20 | 382 ms | $0.01 | 10 min ago |
| workbot1.oddsys.org | Documents/Convert | Live | 20/20 | 1829 ms | $0.01 | 71 s ago |
| workbrain.allthedills.com | Other | Live | 20/20 | 563 ms | $0.01 | 26 min ago |
| workflows.agentdiet.dev B2B Company, Tech Stack & Contact Lead Enrichment (/v1/company-enrich) — Extracts verified emails, social lin… | People/Company Enrich | Live | 20/20 | 204 ms | $0.01 | 5 min ago |
| works.regevidencehub.com | Gov/Regulatory/Product | Live | 20/20 | 108 ms | $0.02 | 26 min ago |
| workspace-x402-paywall.onrender.com | LLM Inference | Live | 20/20 | 213 ms | $0.005 | 26 min ago |
| worxai.tech | Image/Audio/Video | Live | 20/20 | 998 ms | $0.035 | 34 min ago |
| wouldpayagain.com Would Pay Again, Issue #2 -- full content as JSON {title, web_url, html, markdown}. Newsletter about the mach… | Documents/Convert | Live | 20/20 | 756 ms | $0.05 | 10 min ago |
| wren-guard-pro.wrenonbase.workers.dev | Other | Live | 20/20 | 174 ms | $0.01 | 30 min ago |
| wren-presign-check.wrenonbase.workers.dev | Onchain/Crypto Data | Live | 20/20 | 204 ms | $0.01 | 22 min ago |
| wren-x402-doctor.wrenonbase.workers.dev | Gov/Regulatory/Product | Live | 20/20 | 189 ms | $0.1 | 22 min ago |
| wt7tysfcmjm8fpzl.68r.lambda-web.us-east-1.on.aws | Onchain/Crypto Data | Live | 20/20 | 490 ms | $0.002 | 6 min ago |
| wtsp.dev | Other | Live | 20/20 | 277 ms | $0.004 | 32 min ago |
| wurkapi.fun | Other | Live | 20/20 | 792 ms | $1 | 8 min ago |
| www.47620.xyz Pre-payment Solana address risk score. Decide pay vs do-not-pay before your agent spends. Returns a | Identity/Security Checks | Live | 20/20 | 1149 ms | $0.02 | 8 min ago |
| www.agentbit.app | Onchain/Crypto Data | Live | 20/20 | 1194 ms | $0.001 | 28 min ago |
| www.agentcrush.xyz | Identity/Security Checks | Live | 20/20 | 1132 ms | $0.02 | 8 min ago |
| www.agentfive.ai | Other | Live | 20/20 | 387 ms | $0.01 | 28 min ago |
| www.agenticcommerce.cafe | Onchain/Crypto Data | Live | 20/20 | 1152 ms | $0.01 | 10 min ago |
| www.agentres.dev | Other | Live | 20/20 | 740 ms | $0.01 | 8 min ago |
| www.agentrevenuenetwork.com | Finance/FX/Stocks | Live | 20/20 | 2777 ms | $0.01 | 34 min ago |
| www.agenttax.io US sales and use tax calculation for AI agent transactions across 51 jurisdictions (50 states + DC) plus 304 … | Onchain/Crypto Data | Live | 20/20 | 274 ms | $0.005 | 10 min ago |
| www.agnelnieves.com | Documents/Convert | Live | 20/20 | 744 ms | $0.05 | 8 min ago |
| www.alphaos.site | Identity/Security Checks | Live | 20/20 | 1288 ms | $0.05 | 10 min ago |
| www.api-xpay.com | Dev Utilities | Live | 20/20 | 243 ms | $0.005 | 4 min ago |
| www.ax1.vc | Onchain/Crypto Data | Live | 20/20 | 316 ms | $0.02 | 4 min ago |
| www.balticdryindex.com | Other | Live | 20/20 | 177 ms | $0.01 | 32 min ago |
| www.basecheck.info Generate a short piece of AI-written text from a prompt | LLM Inference | Live | 20/20 | 375 ms | $0.05 | 10 min ago |
| www.basehelper.fun | Other | Live | 20/20 | 502 ms | $0.05 | 22 min ago |
| www.bitcoind.app | Onchain/Crypto Data | Live | 20/20 | 351 ms | $0.001 | 28 min ago |
| www.blixtworks.com OCR (English). POST {"image": "<https url or data URI>"} -> extracted text with confidence score. | Documents/Convert | Live | 20/20 | 424 ms | $0.03 | 10 min ago |
| www.blockchainiq.co | Onchain/Crypto Data | Live | 20/20 | 246 ms | $0.05 | 30 min ago |
| www.book-bot.app | Other | Live | 20/20 | 421 ms | $0.1 | 8 min ago |
| www.capminal.ai | News/Research | Live | 20/20 | 270 ms | $0.01 | 80 s ago |
| www.carsonbot402.dev | Other | Live | 20/20 | 385 ms | $0.01 | 6 min ago |
| www.celerapi.com | People/Company Enrich | Live | 20/20 | 573 ms | $0.005 | 66 s ago |
| www.clawcall.xyz | Image/Audio/Video | Live | 20/20 | 1617 ms | $0.01 | 8 min ago |
| www.cloudworldmodel.ai List all cloud simulations owned by the caller. | Weather/Geo/Travel | Live | 20/20 | 300 ms | $0.003 | 10 min ago |
| www.cookies4humans.com | Comms/HITL | Live | 20/20 | 1148 ms | $20 | 8 min ago |
| www.cryptowerk.com | Onchain/Crypto Data | Live | 20/20 | 864 ms | $0.01 | 10 min ago |
| www.cryptyx.ai | Onchain/Crypto Data | Live | 20/20 | 357 ms | $0.01 | 8 min ago |
| www.dropspace.dev | People/Company Enrich | Live | 20/20 | 587 ms | $0.55 | 10 min ago |
| www.elements-live.com | News/Research | Live | 20/20 | 206 ms | $0.01 | 79 s ago |
| www.entropyindex.com | Onchain/Crypto Data | Live | 20/20 | 262 ms | $0.25 | 10 min ago |
| www.extendcontent.com | Image/Audio/Video | Live | 20/20 | 263 ms | $10 | 26 min ago |
| www.garrett-berg.com | Other | Live | 20/20 | 135 ms | $0.01 | 10 min ago |
| www.genbase.fun | Other | Live | 20/20 | 880 ms | $0.02 | 10 min ago |
Descriptions are each service's own listing text. Data: x402-list.com (CC BY 4.0), modified. Recent Checks OK = last test calls (up to 20) that asked for payment correctly (min 5). Needs Login = HTTP 401/403, not a failure. Facts, not a ranking. Reply or dispute. List built at 2026-10-31 15:57:56 UTC from our checks (rebuilt about every 5 minutes).