{"id":"7bdb87dc-73aa-4450-a47b-da28df54c96a","shortId":"DXZ7nh","kind":"x402","title":"Liquidity pool analysis with TVL, APR, and health scoring via x402 micropayments at $0.01/call.","tagline":"Liquidity pool analysis with TVL, APR, and health scoring via x402 micropayments at $0.01/call.","description":"The Silverback pool-analysis endpoint provides deep liquidity pool analysis for DeFi pools, returning health scores, APR estimates, TVL data, and liquidity ratings. It is part of the Silverback x402 DeFi Intelligence API, which offers 11 pay-per-use endpoints covering swap routing, yield optimization, arbitrage scanning, token audits, and market intelligence. Payment is handled via the x402 micropayment protocol using USDC on Base, Solana, or SKALE networks.\n\nTo use the pool-analysis endpoint, send a POST request with a JSON body specifying a token pair (tokenA/tokenB by symbol or contract address) or a direct pool address (poolId). The endpoint returns a 402 Payment Required challenge; after completing the x402 payment flow (signing a USDC authorization and resending with the payment proof header), you receive a JSON response containing pool TVL, APR, a health score, and a liquidity rating. The cost per call is $0.01 in USDC.\n\nThe endpoint defaults to Base (chain ID 8453) and accepts token symbols like WETH or USDC as well as 0x-prefixed contract addresses. It is designed for autonomous agents and applications that need on-demand liquidity intelligence without subscriptions. A 15% discount is available when paying with the $BACK token via Permit2 on Base.","tags":[],"capabilities":["liquidity-pool-analysis","tvl-reporting","apr-estimation","health-scoring","x402-micropayments","defi-intelligence","base-chain","solana-support","skale-support","pay-per-use"],"categories":["defi","finance","blockchain"],"synonyms":["liquidity pool analytics","pool health check","DeFi pool analysis","LP analysis","pool TVL","pool APR","DEX pool data","AMM pool metrics","liquidity analysis API"],"warnings":["No response schema documented — the shape of the 200 response (TVL, APR, health score fields) is described only in summary text, not as a formal schema.","External docs URL (https://docs.silverbackdefi.app/) was not crawled; the /docs path on the x402 subdomain returns 404.","No example response body available; example_response_json is inferred as null.","The x402 challenge object captured is empty ({}), so exact payment token/amount/network details were not confirmed at probe time."],"endpointUrl":"https://x402.silverbackdefi.app/api/v1/pool-analysis","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xD34411a70EffbDd000c529bbF572082ffDcF1794","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"8wLKe8H59eni5DmERU27GiRHGnN9fogRoq9yNqyKKNJA"},"payTo":"4HVvnhyXTkMnPbMBo9r3kfvYhzW4JSbLGdXg9SkUcVSe","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300},{"asset":"0x85889c8c714505E0c94b30fcfcF64fE3Ac8FCb20","extra":{"name":"USD Coin","version":"1"},"payTo":"0xD34411a70EffbDd000c529bbF572082ffDcF1794","amount":"10000","scheme":"exact","network":"eip155:1187947933","maxTimeoutSeconds":300},{"asset":"USDC","extra":{"symbol":"USDC","nodeUrl":"https://api.keeta.com","decimals":6,"serverAddress":"keeta_aabwgiqyij4scwktdoczzvhpi33btieeses5sezeqzqmpi5ik76ttyegwuvfsai","permissionSetupUrl":"/api/v1/keeta/setup-permission"},"payTo":"keeta_aabaolle2k3hceayy4vkyw7smgl35o5wbqeebt2fibyx5sxxodneqb2rmwqkjci","amount":"10000","scheme":"keeta-usdc","network":"keeta:main","expiresAt":1771370262545,"paymentId":"c3788e73-4919-4c72-a4dd-3fc6848d133e","amountHuman":"0.010000","description":"Analyze Base chain liquidity pools with health scoring","tokenAddress":"keeta_amnkge74xitii5dsobstldatv3irmyimujfjotftx7plaaaseam4bntb7wnna","maxTimeoutSeconds":300,"requiresPermission":true}]},"qualityScore":"0.720","qualityRationale":"Full OpenAPI schema with clear endpoint description, pricing, and request parameters are available. The endpoint is live (402 challenge captured). However, no example response body is documented, the external docs link returns 404, and response schema details are absent, preventing a higher 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'0.01':14,29,178 '0x':201 '0x-prefixed':200 '11':67 '15':223 '402':136 '8453':188 'AMM pool metrics' 'DEX pool data' 'DeFi pool analysis' 'LP analysis' 'accept':190 'address':125,130,204 'agent':210 'analysi':3,18,35,41,106 'api':64 'applic':212 'apr':6,21,48,165 'apr-estimation' 'arbitrag':78 'audit':81 'author':149 'autonom':209 'avail':226 'back':231 'base':96,185,236 'base-chain' 'bodi':115 'call':176 'chain':186 'challeng':139 'complet':141 'contain':162 'contract':124,203 'cost':174 'cover':73 'data':51 'deep':38 'default':183 'defi':43,62 'defi-intelligence' 'demand':217 'design':207 'direct':128 'discount':224 'endpoint':36,72,107,133,182 'estim':49 'flow':145 'handl':87 'header':156 'health':8,23,46,167 'health-scoring' 'id':187 'intellig':63,84,219 'json':114,160 'like':193 'liquid':1,16,39,53,171,218 'liquidity analysis API' 'liquidity pool analytics' 'liquidity-pool-analysis' 'market':83 'micropay':12,27,91 'need':214 'network':100 'offer':66 'on-demand':215 'optim':77 'pair':119 'part':57 'pay':69,228 'pay-per-us':68 'pay-per-use' 'payment':85,137,144,154 'per':70,175 'permit2':234 'pool':2,17,34,40,44,105,129,163 'pool APR' 'pool TVL' 'pool health check' 'pool-analysi':33,104 'poolid':131 'post':110 'prefix':202 'proof':155 'protocol':92 'provid':37 'rate':54,172 'receiv':158 'request':111 'requir':138 'resend':151 'respons':161 'return':45,134 'rout':75 'scan':79 'score':9,24,47,168 'send':108 'sign':146 'silverback':32,60 'skale':99 'skale-support' 'solana':97 'solana-support' 'specifi':116 'subscript':221 'swap':74 'symbol':122,192 'token':80,118,191,232 'tokena/tokenb':120 'tvl':5,20,50,164 'tvl-reporting' 'usdc':94,148,180,196 'use':71,93,102 'via':10,25,88,233 'well':198 'weth':194 'without':220 'x402':11,26,61,90,143 'x402-micropayments' 'yield':76","prices":[{"id":"13ed2cb9-13cb-4c9c-988d-50c804bf7d09","listingId":"7bdb87dc-73aa-4450-a47b-da28df54c96a","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0xD34411a70EffbDd000c529bbF572082ffDcF1794","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xD34411a70EffbDd000c529bbF572082ffDcF1794","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"8wLKe8H59eni5DmERU27GiRHGnN9fogRoq9yNqyKKNJA"},"payTo":"4HVvnhyXTkMnPbMBo9r3kfvYhzW4JSbLGdXg9SkUcVSe","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300},{"asset":"0x85889c8c714505E0c94b30fcfcF64fE3Ac8FCb20","extra":{"name":"USD Coin","version":"1"},"payTo":"0xD34411a70EffbDd000c529bbF572082ffDcF1794","amount":"10000","scheme":"exact","network":"eip155:1187947933","maxTimeoutSeconds":300},{"asset":"USDC","extra":{"symbol":"USDC","nodeUrl":"https://api.keeta.com","decimals":6,"serverAddress":"keeta_aabwgiqyij4scwktdoczzvhpi33btieeses5sezeqzqmpi5ik76ttyegwuvfsai","permissionSetupUrl":"/api/v1/keeta/setup-permission"},"payTo":"keeta_aabaolle2k3hceayy4vkyw7smgl35o5wbqeebt2fibyx5sxxodneqb2rmwqkjci","amount":"10000","scheme":"keeta-usdc","network":"keeta:main","expiresAt":1771370262545,"paymentId":"c3788e73-4919-4c72-a4dd-3fc6848d133e","amountHuman":"0.010000","description":"Analyze Base chain liquidity pools with health scoring","tokenAddress":"keeta_amnkge74xitii5dsobstldatv3irmyimujfjotftx7plaaaseam4bntb7wnna","maxTimeoutSeconds":300,"requiresPermission":true}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:33.835Z"}],"sources":[{"listingId":"7bdb87dc-73aa-4450-a47b-da28df54c96a","source":"x402_bazaar","sourceId":"https://x402.silverbackdefi.app/api/v1/pool-analysis","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:33.835Z","lastSeenAt":"2026-04-22T04:02:49.042Z"}],"details":{"listingId":"7bdb87dc-73aa-4450-a47b-da28df54c96a","quickStartSnippet":"curl -X POST https://x402.silverbackdefi.app/api/v1/pool-analysis \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"tokenA\": \"WETH\", \"tokenB\": \"USDC\"}'","exampleRequest":{"poolId":null,"tokenA":"WETH","tokenB":"USDC"},"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Pool-analysis endpoint costs $0.01 per call","source_url":"https://x402.silverbackdefi.app"},{"claim":"Endpoint returns pool analysis with TVL, APR, health score, and liquidity rating","source_url":"https://x402.silverbackdefi.app"},{"claim":"Silverback provides 11 pay-per-use endpoints via x402 micropayments","source_url":"https://x402.silverbackdefi.app"},{"claim":"Supports USDC on Base, Solana, and SKALE; $BACK token gives 15% discount","source_url":"https://x402.silverbackdefi.app"},{"claim":"Accepts tokenA, tokenB (symbol or address), or direct poolId","source_url":"https://x402.silverbackdefi.app"}],"useCases":["Evaluate liquidity pool health before providing liquidity","Compare APR and TVL across pools for a given token pair","Automated agent-driven LP position management","Risk assessment of DeFi pools for portfolio allocation","Screening pools for sufficient liquidity before executing large swaps"],"bestFor":["AI agents needing on-demand DeFi pool intelligence","Developers building automated liquidity management tools","DeFi researchers analyzing pool metrics programmatically","Applications that need pay-per-use pool data without API key subscriptions"],"notFor":["Historical pool analytics or time-series data (endpoint returns current snapshot)","Non-DeFi use cases unrelated to liquidity pools","Users who need free or subscription-based access without x402 payment capability"],"kindDetails":{},"updatedAt":"2026-04-22T01:06:26.089Z"}}