{"uid":"cap_PPXtyU2XE__AGFVjOAg7I","slug":"basewatch-alerts-base-chain-new-pool-alert-feed-389ae13f","name":"Basewatch Alerts — Base Chain New Pool Alert Feed","description":"Pay-per-call HTTP APIs, paid with x402 in USDC on Base (eip155:8453): agentkit, api-change-check, basedue, basewatch, chainread, check-sanctions, chgwatch, company-facts, composite, edgar, feednews, pageaudit, solcheck, token-dd, txpreflight, walletcheck, webmd, webread, websearch, x402index. Each operation describes its service.","url":"https://api.firstmention.uk/s/basewatch/alerts?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","properties":{"limit":{"type":"number","description":"Max pools to enrich and return (max 40)"},"quote":{"type":"string","description":"Quote filter: any, weth or usdc"},"blocks":{"type":"number","description":"Look-back window in blocks (max 43200)"},"min_score":{"type":"number","description":"/alerts only: drop pools whose score is below this"},"min_liquidity_usd":{"type":"number","description":"Drop pools with quote-side depth below this USD value"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"ok":{"type":"boolean"},"chain":{"type":"string"},"pools":{"type":"array","items":{"type":"object","properties":{"pool":{"type":"string"},"grade":{"type":"string"},"score":{"type":"number"},"venue":{"type":"string"},"liquidityUsd":{"type":"number"},"ageApproxMinutes":{"type":"number"},"liquidityQuoteAsset":{"type":"string"}}}},"alerts":{"type":"array","items":{"type":"object","properties":{"pool":{"type":"string"},"flags":{"type":"array"},"score":{"type":"number"},"venue":{"type":"string"},"reason":{"type":"string"},"tokens":{"type":"array","items":{"type":"object","properties":{"symbol":{"type":"string"},"decimals":{"type":"number"}}}},"liquidityUsd":{"type":"number"},"ageApproxMinutes":{"type":"number"}}}},"counts":{"type":"object","properties":{"returned":{"type":"number"},"brandNewUnder30min":{"type":"number"}}},"filters":{"type":"object","properties":{"limit":{"type":"number"},"quote":{"type":"string"},"min_liquidity_usd":{"type":"number"}}},"endpoint":{"type":"string"},"asOfBlock":{"type":"number"}}}}}}},"responseSchema":{"type":"json","example":{"ok":true,"chain":"base","pools":[{"pool":"0x8f2a1c4b9e0d7f3a6b5c4d3e2f1a0b9c8d7e6f5a","grade":"ok","score":5.11,"venue":"aerodrome","liquidityUsd":128400.55,"ageApproxMinutes":96,"liquidityQuoteAsset":"USDC"}],"alerts":[{"pool":"0x8f2a1c4b9e0d7f3a6b5c4d3e2f1a0b9c8d7e6f5a","flags":[],"score":5.11,"venue":"aerodrome","reason":"quote-side depth $128401, age ~96m, venue aerodrome","tokens":[{"symbol":"WETH","decimals":18},{"symbol":"USDC","decimals":6}],"liquidityUsd":128400.55,"ageApproxMinutes":96}],"counts":{"returned":1,"brandNewUnder30min":1},"filters":{"limit":10,"quote":"usdc","min_liquidity_usd":500},"endpoint":"alerts","asOfBlock":36512345}},"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_K1au0pSBc-JJsELdx-1lR","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":"Returns scored alerts for newly discovered liquidity pools on Base, filtered by quote asset, liquidity depth, and risk score threshold","exampleAgentPrompt":"Show me all new liquidity pools on Base from the last 5000 blocks where the quote asset is USDC, minimum liquidity is $1000, and only return pools with a score above 4 — limit to 20 results.","exampleUseCases":[{"title":"New pool sniping for DeFi traders","prompt":"Find me the newest USDC-quote pools on Base from the last 2000 blocks, with at least $5000 in liquidity and a score above 3, limited to the top 15 — I want to catch anything that just launched."},{"title":"Risk filtering for bot safety checks","prompt":"Pull Base chain pool alerts for the last 43200 blocks, only WETH quote pools with at least $2000 liquidity, and drop anything with a score below 5 — I need to screen out low-quality pools before my bot trades them."},{"title":"Monitoring brand-new pools under 30 minutes old","prompt":"Give me up to 10 Base pool alerts from the last 1000 blocks with any quote asset and at least $500 liquidity — I specifically want to see how many are brand new under 30 minutes old."}],"resultDescription":"A JSON object containing: a list of pool alerts each with pool address, risk score, letter grade, DEX venue, liquidity in USD, approximate age in minutes, token symbols, alert flags, and a human-readable reason string; plus summary counts (total returned, brand-new under 30 min), active filters, the current Base block number, and the endpoint name.","failureModes":["Invalid or out-of-range query parameters (e.g. limit > 40 or blocks > 43200) return a 400 error","Payment not provided or insufficient USDC results in 402 Payment Required","No pools found matching filters returns ok:true with empty arrays","Network or chain RPC issues may cause delayed or stale block data","Overly restrictive min_score or min_liquidity_usd filters may return zero alerts"],"whenToPreferThis":"Use this endpoint when you need real-time, risk-scored alerts for newly launched liquidity pools specifically on Base chain, with built-in filtering by quote asset, liquidity depth, and risk score. Prefer this over generic DEX screeners when you need structured alert objects with flags, grades, and reasons ready for automated decision-making, and when paying per-call via x402/USDC is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:38:17.843Z","isFirstParty":false,"canonicalSlug":"basewatch-alerts-base-chain-new-pool-alert-feed-389ae13f"}