{"uid":"cap_D-HZCXnFH3bLvwnqfacUP","slug":"tzkt-tezos-contract-lookup-api-d1d74acb","name":"TzKT Tezos Contract Lookup API","description":"TzKT is a comprehensive Tezos blockchain indexer API. Access blocks, operations, accounts, contracts, bigmaps, delegates, tokens and network stats through a fast REST API. No signup or API key required.","url":"https://x402.tzkt.io/v1/contracts/%7Baddress%7D","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_33DpmtFESmzrLw5vaklBQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves detailed information about a specific Tezos smart contract by its on-chain address via the TzKT blockchain indexer.","exampleAgentPrompt":"Can you pull up the full details for the Tezos smart contract at address KT1RJ6PbjHpwc3M5rw5s2Nbmefwbuwbdxton — I want to see its storage, entrypoints, balance, and who originated it.","exampleUseCases":[{"title":"Audit a Tezos DeFi protocol contract","prompt":"Look up the Tezos contract KT1TxqZ8QtKvLu3V3JH7Gx58n7Co4MCM2vqi and show me its entrypoints, current storage, and balance so I can audit how the DeFi pool is structured."},{"title":"Verify NFT contract authenticity","prompt":"I want to verify that the Tezos NFT contract at KT1GBZmSxmnKJXGMdMLbugPfLgUx59sjB35S is legitimate — can you fetch its metadata, origination block, and manager address from TzKT?"},{"title":"Monitor smart contract balance","prompt":"What is the current tez balance and storage state of the Tezos contract KT1QuofAguf39jF9DhgQUQNjzFbPHiRa6FRf? I need to check if it still has funds locked in it."}],"resultDescription":"Returns a JSON object containing the contract's on-chain details including its address, balance in mutez, manager/owner, origination operation hash, originated block level and timestamp, contract type, entrypoints, current storage value, code, and any associated metadata (TZIP-16 off-chain views, token metadata if applicable).","failureModes":["Invalid or malformed Tezos address returns 400 Bad Request","Address exists but is an implicit account (tz1/tz2/tz3), not a contract — returns 404 or empty","Contract exists but has not been indexed yet — may return stale or incomplete data","Network congestion or TzKT indexer lag may return outdated storage snapshot","Payment of 0.002 USDC via x402 protocol fails — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need structured, indexed data about a specific Tezos smart contract without running your own Tezos node. It is superior to raw RPC calls because it provides enriched metadata, human-readable entrypoints, and historical context. Prefer it over generic blockchain explorers when you need programmatic access with no API key and per-call micropayment pricing via the x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:50:06.470Z","isFirstParty":false}