{"uid":"cap_PZ9kI_-uYmLCfDmQ6sxJC","slug":"signalharness-defi-liquidity-change-analyzer-d780c27c","name":"SignalHarness DeFi Liquidity Change Analyzer","description":"Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.","url":"https://signalharness.ai/api/agent/services/defi_liquidity_change/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"liquidity_change_request":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Calculation excludes protocol-specific rounding and fees."],"service_id":"defi_liquidity_change","evidence_scope":"caller_supplied_data","liquidity_change":"{\"lp_change\":\"10\",\"proportional_share\":\"0.1\",\"token0_change\":\"100\",\"token1_change\":\"200\"}"},"status":"succeeded","receipt":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","usage":[],"status":"succeeded","network":"eip155:8453","artifacts":[],"endedAtMs":0,"latencyMs":0,"paymentId":"example-payment","receiptId":"example-receipt","requestId":"example-request","serviceId":"defi_liquidity_change","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"b852f337e1132e607a6a680d035dbb63f8e95138e8868bf7c238e507aaff4046","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HbB5eTU9u1v_49lo1kMac","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a described DeFi liquidity change event or scenario and returns a structured assessment of the liquidity change with warnings.","exampleAgentPrompt":"Analyze this DeFi liquidity change for me: 'A whale removed $4.2M of USDC/ETH liquidity from Uniswap v3 on Base in a single transaction, causing the pool's TVL to drop by 38% in under a minute. Are there any warnings I should know about?'","exampleUseCases":[{"title":"Flag suspicious DeFi pool withdrawal","prompt":"I'm watching a Uniswap v3 pool on Base and a large LP just pulled $6M in liquidity in one block — can you analyze that liquidity change and tell me if there are any red flags or warnings?"},{"title":"Understand a protocol liquidity event","prompt":"Aave just had a significant liquidity removal event on Base. Here's what happened: 'Large USDC supplier withdrew 10M USDC, reducing available borrow liquidity by 45%.' Can you assess the liquidity change and summarize it for me?"},{"title":"Research a DeFi position change","prompt":"I'm researching a Curve pool that added a new LP providing $2M in stablecoin liquidity yesterday, which pushed TVL up by 22%. Can you analyze this liquidity change and tell me what it might mean for slippage and pool health?"}],"resultDescription":"Returns a JSON object containing a liquidity_change assessment string, a list of warnings, an evidence_scope indicator (e.g. 'caller_supplied_data'), and a status field. Also includes a full receipt with payment details, execution metadata, request/execution IDs, and a SHA-256 result hash for verification.","failureModes":["Input text too short (below 2 characters) or too long (above 65536 characters) returns validation error","Ambiguous or insufficiently detailed liquidity change description may produce generic or low-confidence output","Payment failure via x402 protocol results in 402 response and no analysis","Service downtime returns non-200 status with no result object","Malformed JSON request body causes request rejection"],"whenToPreferThis":"Choose this endpoint when you need a quick, structured AI-driven assessment of a described DeFi liquidity change event on Base or similar EVM chains, especially when you have free-text descriptions of pool events and want warnings or risk flags surfaced automatically. Prefer it over manual on-chain data queries when the liquidity event has already been observed and you need interpretation rather than raw data retrieval.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:05:25.443Z","isFirstParty":false}