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Service Protocol Price Category Health Latency Source
Semantic Similarity (x402) https://agent.pocket.network/v1/semantic-similarity x402 $0.0050 ai healthy 128ms bazaar
Semantic rank https://netintel.dev/semantic/rank x402 $0.02 ai/text healthy 364ms bazaar
Semilla Top x402 sellers on Base https://agentsmap.io/semilla/x402/market/top x402 $0.02 data/json healthy — self-registered
Semilla USDC payment verifier on Base https://agentsmap.io/semilla/x402/usdc-payment x402 $0.0050 crypto healthy — self-registered
Semilla x402 activity series https://agentsmap.io/semilla/x402/market/series x402 $0.0050 data/json healthy — self-registered
Semilla x402 market census https://agentsmap.io/semilla/x402/market/census x402 $0.01 data/json healthy — self-registered
Semilla x402 price references https://agentsmap.io/semilla/x402/pricing x402 $0.01 data/json healthy — self-registered
Semver parser: parse and compare versions, check range satisfaction https://api.duoleads.com/v1/code/semver x402 $0.05 developer-tools healthy 952ms bazaar
Sentiment https://api.hergertsynthora.com/v1/sentiment x402 $0.01 data healthy 221ms bazaar
Sentiment Analyzer https://netintel.dev/sentiment/analyze x402 $0.0020 ai/text healthy 342ms bazaar
Sentiment Classification https://agent.pocket.network/v1/sentiment-classification MPP $0.0050 data/extraction healthy 105ms self-registered
Sentiment Classification (x402) https://agent.pocket.network/v1/sentiment-classification x402 $0.0050 data/extraction healthy 105ms bazaar
Seo Audit — FiatDock https://fiatdock.com/v1/web/seo-audit x402 $0.0090 data healthy 157ms bazaar
Session Handoff Note: Done, Open, Next Step — skill file for AI agents (AISkills402) https://api.aiskills402.com/v1/skills/session-handoff-note/file x402 $0.05 ai/agent-skills healthy 301ms bazaar
SettlementWitness — Verifiable Agent Settlement Layer (Base) https://defaultverifier.com/x402/settlement-witness x402 $0.0000 commerce/settlement healthy 875ms self-registered
SettlementWitness — Verifiable Agent Settlement Layer (Solana) https://defaultverifier.com/x402/settlement-witness-solana x402 $0.0000 commerce/settlement healthy 727ms self-registered
Shorten to a Limit — skill file for AI agents (AISkills402) https://api.aiskills402.com/v1/skills/shorten-to-limit/file x402 $0.05 ai/agent-skills healthy 410ms bazaar
Sign or verify an HMAC, including GitHub, Stripe and Slack webhook signatures (Tanod) https://tanod.dev/v1/hmac x402 $0.0010 tools/utilities healthy 424ms bazaar
Signal Sprint Base Block — via FiatDock Marketplace https://fiatdock.com/s/svc_f829d83a-001c-4afe-b51c-2da6f018da96 x402 $0.0050 data healthy 219ms self-registered
Signal Sprint Base Gas Price — via FiatDock Marketplace https://fiatdock.com/s/svc_cb9ef672-3776-431a-b846-97cc1e04cc04 x402 $0.0050 data healthy 204ms self-registered
Signal Sprint Base USDC Balance — via FiatDock Marketplace https://fiatdock.com/s/svc_4fed2ffb-54d5-45cb-8df7-91c680a8fee9 x402 $0.0050 data healthy 185ms self-registered
Singularity Servers https://singularityservers.com/api/x402/order x402 $0.07 tools/hosting healthy 94ms self-registered
Site Contacts — FiatDock https://fiatdock.com/v1/web/contacts x402 $0.0027 data healthy 52ms bazaar
Sitemap Builder — skill file for AI agents (AISkills402) https://api.aiskills402.com/v1/skills/sitemap-builder/file x402 $0.02 ai/agent-skills healthy 237ms bazaar
Sitemap Parser https://netintel.dev/sitemap-parser/fetch x402 $0.01 data/web-scraping healthy 370ms bazaar
Slug generator: Unicode-aware URL slug with transliteration https://api.duoleads.com/v1/text/slug x402 $0.05 tools/utilities healthy 733ms bazaar
Smart Research Search https://api.kadec0.xyz/v1/smart-search x402 $0.02 research healthy 493ms bazaar
Smart Wikipedia: Summary https://api.lightningenable.com/l402/proxy/smart-wikipedia-aaec/summary L402 $0.0008 data/reference healthy 819ms self-registered
Social Auto-Posting Code Review: Bluesky, Mastodon, DEV — skill file for AI agents (AISkills402) https://api.aiskills402.com/v1/skills/social-dispatch-code-review/file x402 $0.03 ai/agent-skills healthy 409ms bazaar
Social Media Department Catalog https://agentbodega.store/api/social-media/catalog x402 — social-media healthy 120ms self-registered
Social Posting APIs 2026: Limits and Costs — skill file for AI agents (AISkills402) https://api.aiskills402.com/v1/skills/social-api-reality-2026/file x402 $0.05 ai/agent-skills healthy 246ms bazaar
Solana New-Pool Momentum Feed (Pool Pulse) https://solana-x402-microtools-mainnet.valecity.workers.dev/api/pool-pulse x402 $0.0030 crypto healthy 656ms self-registered
Solana Raydium Pool Reserve Ratio https://solana-x402-microtools-mainnet.valecity.workers.dev/api/crypto x402 $0.0030 crypto healthy 968ms self-registered
Solana Token Mint Safety Check https://solana-x402-microtools-mainnet.valecity.workers.dev/api/token-check?mint=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v x402 $0.01 crypto healthy 662ms self-registered
Solana balance. SOL balance of a Solana wallet, read live from mainnet in lampor... https://agent-data-tools.revmesh2074.workers.dev/solana/balance x402 $0.01 crypto/wallet healthy 794ms bazaar
SolanaProx — Solana AI Gateway https://solanaprox.com/v1/messages x402 $0.0030 ai/llm healthy 947ms self-registered
Solidity function selector: Keccak-256, 4-byte selector and event topic from a signature https://api.duoleads.com/v1/chain/selector x402 $0.05 crypto/onchain healthy 600ms bazaar
Sonic Mainnet JSON-RPC https://agent.pocket.network/v1/sonic MPP $0.0050 blockchain/data healthy 74ms self-registered
Sonic Mainnet JSON-RPC (x402) https://agent.pocket.network/v1/sonic x402 $0.0050 blockchain/data healthy 74ms bazaar
SorenLux Ticker Intel — ETH https://sorenlux.ai/api/intel/ETH x402 $0.05 financial-intelligence healthy 849ms self-registered
SorenLux Ticker Intel — GLD https://sorenlux.ai/api/intel/GLD x402 $0.05 financial-intelligence healthy 296ms self-registered
SorenLux Ticker Intel — NVDA https://sorenlux.ai/api/intel/NVDA x402 $0.05 financial-intelligence healthy 366ms self-registered
Sort, dedupe, trim, shuffle or number the lines of a text (Tanod) https://tanod.dev/v1/text/lines x402 $0.0010 ai/text healthy 401ms bazaar
Source Claim Proof https://source-claim-proof.mattskowronis.workers.dev/v1/verify x402 $0.01 tools/verification healthy 692ms self-registered
Source Quotes Extract — skill file for AI agents (AISkills402) https://api.aiskills402.com/v1/skills/source-quotes-extract/file x402 $0.05 ai/agent-skills healthy 257ms bazaar
South Korea's exports from Korea Customs Service statistics https://x402.pokt-agent.com/kr-export/query x402 $0.0050 finance healthy 647ms bazaar
Spain BOE daily bulletin search https://spain-agent-toolkit.spain-agent-toolkit.workers.dev/v1/es/boe/search?q=ayudas x402 $0.0020 government healthy 521ms self-registered
Spain BOE daily bulletin search https://es.redtapeapi.com/v1/es/boe/search?q=ayudas x402 $0.0020 government healthy 481ms self-registered
Spain DNI/NIE/CIF validator https://spain-agent-toolkit.spain-agent-toolkit.workers.dev/v1/es/tax-id/validate?id=B12345674 x402 $0.0020 validation healthy 436ms self-registered
Spain DNI/NIE/CIF validator https://es.redtapeapi.com/v1/es/tax-id/validate?id=B12345674 x402 $0.0020 validation healthy 412ms self-registered