/ catalog…
Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
x402· baseq 0.72
Semantic documentation search across 10 pre-indexed platforms for AI agents via x402 micropayments.
semantic-searchdocumentation-retrievalnatural-language-query+7
per_call
x402· baseq 0.78
Search the npm package registry by name, keywords, or description via x402 micropayment.
npm-package-searchpackage-quality-scorespackage-version-lookup+5
per_call
x402· baseq 0.62
Full-text search across indexed x402 protocol resources for $0.02 per query.
full-text-searchx402-resource-discoverypagination+3
per_call
x402· baseq 0.62
Convert a JSON array of objects to an Excel (.xlsx) spreadsheet via x402 pay-per-call.
json-to-excelxlsx-generationspreadsheet-export+4
per_call
x402· baseq 0.45
Convert SVG documents to PNG images via pay-per-call x402 endpoint on Base or Solana.
svg-to-pngimage-rasterizationconfigurable-dimensions+4
per_call
x402· baseq 0.55
AI content strategy agent powered by Gemini Pro, paid per call via x402 on Base.
content-strategyeditorial-calendartopic-clustering+5
0.02 USDC / call
x402· baseq 0.35
Pay-per-call on-chain token price lookup for Base network tokens via CoinGecko's x402 API.
token-price-lookupon-chain-dex-database-network+3
per_call
x402· baseq 0.20
DNS lookup endpoint with x402 micropayment gating
dns-lookupx402-paymentper-call-micropayment+1
per_call
x402· baseq 0.15
SSL/TLS certificate analysis endpoint with x402 micropayment access.
ssl-analysistls-inspectioncertificate-validation+2
per_call
x402· baseq 0.15
x402-gated subnet calculator for IP network intelligence
subnet-calculationip-networkingcidr-parsing+1
per_call
x402· baseq 0.15
x402-enabled NFT file upload endpoint at api.nftitem.io
file-uploadnft-metadatax402-payment+1
per_call
x402· baseq 0.88
Track historical token balances over time for any blockchain address or entity via Nansen's on-chain analytics.
historical-balance-trackingmulti-chain-supportwallet-profiling+6
per_call
x402· baseq 0.60
DNS lookups, reverse DNS, WHOIS/RDAP, and IP geolocation via x402 micropayments on Base
dns-lookupreverse-dnswhois-rdap+5
per_call
x402· baseq 0.55
Text transformations for agents: slugify, word count, case conversion, truncate, reverse, and trim.
text-transformslugifyword-count+13
per_call
x402· baseq 0.82
Discover rising sub-topics within any biomedical research field via multi-year growth analysis from OpenAlex data.
pubmed-analyticsopenalex-topic-breakdownsubtopic-growth-detection+7
per_call
x402· baseq 0.55
Validate email addresses with disposable detection and normalization via x402 micropayment.
email-validationdisposable-email-detectionemail-normalization+3
per_call
x402· baseq 0.60
Unit, currency, and encoding conversion API for autonomous agents via x402 micropayments.
unit-conversioncurrency-conversionencoding-conversion+6
per_call
x402· baseq 0.82
Sub-cent natural-language fact verification API for autonomous AI agents, paid via x402 USDC on Base.
fact-verificationnatural-language-inputstructured-verdict+9
per_call
x402· baseq 0.45
Query x402 wallet transaction history — paginated transfers where a wallet is sender.
wallet-transaction-historyx402-micropaymentpagination+6
per_call
x402· baseq 0.55
Query paginated x402 wallet transactions (sender side) for any address, paid via x402 micropayment.
wallet-transaction-historyx402-payment-gatedpagination+6
per_call
x402· baseq 0.55
Query x402 protocol wallet transactions, merchant stats, and resource registry via micropayment-gated API.
wallet-transaction-historypaginated-resultschain-filter+6
per_call
x402· baseq 0.40
Anonymize sensitive information in text via x402-paid API on Base network.
text-anonymizationpii-redactionx402-payment+3
0.05 USDC / call