{"uid":"cap_ySLjkO0igB_Xj9f3_Wrat","slug":"base-erc-20-allowance-scanner-c17711fc","name":"Base ERC-20 Allowance Scanner","description":"TIP-OF-SPEAR: URL Fingerprint ($0.01) GET ?url= → body_sha256/TLS/DNS. DEMAND-MATCHED SERP tip: Web Search ($0.02) GET ?q= (required) → ranked results. OCR tip: Image OCR ($0.01) GET ?url= → Tesseract text (COGS=0). Builder tool: Bazaar Readiness Check — FREE ?url= indexed yes/nein + issue count; PAID report $0.05 Fix-JSON. Gated-data: Base DeFi Snapshot ($0.03) balances+gas+protocol TVL/APY. Free teasers have no live hash/results. Upsell red-flag $0.25. Ladder: 0.01→0.02→0.025→0.25→0.35→0.49→0.75→17.","url":"https://geld-machen-x402.fly.dev/product/base-allowance-scan","method":"GET","headers":{},"bodySchema":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"Required Base EVM address to scan ERC-20 allowances"}}},"responseSchema":{},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sh6QqQjfDHje4t8TWYr5I","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scans a Base EVM address for all active ERC-20 token allowances, returning balances, gas info, and DeFi protocol exposure","exampleAgentPrompt":"Can you scan the Base wallet 0x1234...abcd and show me all its active ERC-20 token allowances, balances, and any DeFi protocol exposure?","exampleUseCases":[{"title":"Pre-revoke allowance security audit","prompt":"Scan Base address 0xAbCd...1234 for all active ERC-20 allowances so I can see which protocols still have permission to spend my tokens before I go revoke the risky ones."},{"title":"DeFi protocol exposure check","prompt":"I want to know the current DeFi protocol TVL and APY exposure for my Base wallet at 0xDeFi...5678 — pull all the allowance data so I can assess my risk."},{"title":"Wallet health monitoring for agent","prompt":"Check the ERC-20 allowances and token balances on Base for address 0xAgent...9999 and flag any unlimited approvals or unusual spending permissions."}],"resultDescription":"Returns a snapshot of the Base wallet's active ERC-20 allowances including approved spenders and amounts, current token balances, gas price data, and DeFi protocol metrics such as TVL and APY for protocols interacted with.","failureModes":["Invalid or malformed EVM address returns an error","Address with no on-chain activity may return empty allowance list","Rate limiting or upstream RPC unavailability could cause timeouts","Non-Base chain addresses may not return valid results","Response schema is undocumented so output structure may vary"],"whenToPreferThis":"Choose this endpoint when you need a quick on-chain snapshot of ERC-20 token allowances for a specific Base network wallet, especially for security audits, DeFi risk assessment, or pre-revocation reviews. It bundles allowance data with gas and protocol TVL/APY context in a single paid call, making it more efficient than querying multiple on-chain sources separately.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:49:43.105Z","isFirstParty":false}