x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #325 | PreReason API prereason.com PreReason returns market briefings with the interpretation already done: trend signals, regime classification and confidence scores, in place of raw numbers… | AI | Base, Solana | $0.66 | 38 | 7 |
| #326 | Parallax parallax402.com Facts from the public x402 settlement graph on Base, both sides of every settlement: who pays whom, which payers are infrastructure, what a paying agent buys… | Data | Base, Solana | $0.16 | 8 | 3 |
| #327 | realcite-url goodsong.dev Verifies citations, packages, repositories, URLs, sellers, filings, drugs, and legal cases through paid routes. | Chain infra | Base | $0.105 | 18 | 7 |
| #328 | Clear-to-Send premiumrewards.vip Provides paid lookups for definitions, entities, IPs, time, hashes, blockchain data, prices, domains, and vulnerability records. | Data | Base | $0.017 | 8 | 3 |
| #329 | x402card Freeland Travel eSIM x402card.org Wallet-native x402 commerce API for virtual card issuance and funding plus prepaid Freeland travel eSIM purchase with private installation delivery. | Data | Base | $13.47 | 19 | 3 |
| #330 | Plexa API getplexa.com Economic-safety API for trading agents: executable (realizable) DEX quotes and pre-trade token verdicts, paid per-call via x402 v2 (USDC, no API key)… | Data | Base, Solana | $2.13 | 60 | 6 |
| #331 | www.balticdryindex.com balticdryindex.com Provides paid Baltic Dry Index signals for maritime dry-bulk market analysis. | Data | Base | $0.92 | 31 | 5 |
| #332 | earn-pulse earn-pulse.haiqingm58.workers.dev Provides cryptocurrency market indicators, trading decisions, chain data, and USDC yield information through paid and free endpoints. | Search | Base | $0.145 | 29 | 14 |
| #333 | npm Trust Check x402-api-catalog.onrender.com Paid API endpoints audit MCP server safety and check EVM token contract risks. | Data | Base | $3.63 | 24 | 1 |
| #334 | Social Intel API socialintel.dev Search 33M+ Instagram profiles by niche, country, follower count, and gender. Get business contact emails for ~50% of accounts. No signup, no API keys, no… | Data | Base, Solana | $0.54 | 5 | 3 |
| #335 | Verdix Address Risk verdixapi.com Pre-transfer risk check for EVM addresses on Base. Each POST path below is paid per request via x402 (USDC on Base mainnet, settled through Coinbase's CDP… | AI | Base | $2.28 | 26 | 4 |
| #336 | DataSieve datasieve.xyz On-chain watchers for AI agents on Base, paid per-watch via x402 (HTTP 402 + USDC). Paid routes respond 402 with payment requirements; retry with a signed… | AI | Base | $0.70 | 4 | 3 |
| #337 | x402receipts x402receipts.com Every x402 purchase an agent makes becomes a receipt, reconciled against the on-chain transaction, anchored with independently verifiable evidence. Recording… | AI | Base, Solana | $1.05 | 13 | 4 |
| #338 | Cloudless x402 cloudless.sh A live, working x402 v2 server demonstrating both ways to pay over HTTP: a machine paying an agent-facing API for data, and a human paying a browser wallet… | Data | Base | $0.012 | 12 | 3 |
| #339 | RugSense rugsense.xyz The launch-lifecycle risk desk for Base, with a public, verifiable hit rate. Each freshly-launched token gets one machine-actionable AVOID/WATCH/HOT decision… | Data | Base | $0.06 | 2 | 2 |
| #340 | True Value Rankings truevaluerankings.com Cryptocurrency research and scoring API. TVR's scoring model evaluates cryptocurrencies using 8 metrics rooted in Sound Value principles to produce TVR Scores… | AI | Base | $0.38 | 7 | 4 |
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