/ catalog…
Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
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· base-sepoliaq 0.30
x402-protected addition endpoint on Base Sepolia accepting USDC testnet payments
x402-payment-gatinghttp-postjson-response+3
0.005 USDC / 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
x402· baseq 0.40
Spam detection API returning confidence scores, paid per-call via x402 on Base.
spam-detectioncontent-classificationconfidence-scoring+3
0.1 USDC / call
x402· baseq 0.55
Paginated x402 wallet transaction history — outbound transfers for any address on Base or Solana.
wallet-transaction-historyx402-micropaymentpagination+6
per_call
x402· baseq 0.40
Entity-level sentiment analysis via Google NLP, paid per-call with USDC on Base.
entity-sentiment-analysisgoogle-nlptext-analysis+3
0.05 USDC / call
x402· baseq 0.82
Pump.fun tokens nearing Raydium graduation on Solana — raw Bitquery data via x402 micropayment.
pumpfun-graduation-trackingsolana-bonding-curve-dataraw-json-output+7
0.6 USDC / call
x402· baseq 0.55
Query x402 wallet transaction history — paginated transfers where a wallet is the sender.
wallet-transaction-historypaginated-resultschain-filtering+6
per_call