{"uid":"cap_aSp65TfnmP0rifdX7wHYV","slug":"vextorium-contract-address-pre-computation-create-create2-856312f1","name":"Vextorium Contract Address Pre-computation (CREATE / CREATE2)","description":"Compute a contract address in advance: CREATE (deployer + nonce) or CREATE2 (deployer + salt + init code hash). For deterministic deployments and verifying announced addresses.","url":"https://api.vextorium.com/direccion-contrato-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"salt":{"type":"string"},"nonce":{"type":"integer"},"init_code":{"type":"string"},"desplegador":{"type":"string"},"init_code_hash":{"type":"string"}}},"responseSchema":{"type":"json","example":{"nonce":0,"metodo":"CREATE","direccion":"0xcd234A471b72ba2F1Ccf0A70FCABA648a5eeCD8d","desplegador":"0x6AC7EA33F8831EA9dcC53393aAA88B25A785DBF0"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fLk-41lnL1qwhKeB3FbZP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the deterministic Ethereum contract address before deployment using either CREATE (deployer + nonce) or CREATE2 (deployer + salt + init code hash).","exampleAgentPrompt":"What contract address will be deployed by 0x6AC7EA33F8831EA9dcC53393aAA88B25A785DBF0 using CREATE with nonce 5?","exampleUseCases":[{"title":"Verify announced protocol contract address","prompt":"A DeFi protocol just announced their new vault contract will be at 0xABC... — can you verify that address is correct for deployer 0x6AC7EA33F8831EA9dcC53393aAA88B25A785DBF0 using CREATE2 with salt 0xdeadbeef and init code hash 0x1234abcd?"},{"title":"Counterfactual deployment address lookup","prompt":"I'm setting up a counterfactual wallet — what address will be generated by CREATE2 if the deployer is 0x6AC7EA33F8831EA9dcC53393aAA88B25A785DBF0, the salt is 0xaabbccdd, and the init code hash is 0x9876fedc?"},{"title":"Pre-fund contract before deployment","prompt":"I want to pre-fund a contract before it's deployed — can you tell me what address 0x6AC7EA33F8831EA9dcC53393aAA88B25A785DBF0 will deploy to next if they're at nonce 12, using the standard CREATE method?"}],"resultDescription":"Returns a JSON object with the computed contract address (Ethereum checksummed), the deployer address, the deployment method used (CREATE or CREATE2), and the nonce (if applicable).","failureModes":["Invalid or missing deployer address returns an error","CREATE2 requires salt and init_code_hash; omitting either causes failure","CREATE requires a valid nonce integer; missing nonce causes failure","Malformed hex strings for salt or init_code_hash result in computation errors","Unsupported deployment type specified"],"whenToPreferThis":"Use this endpoint when you need to deterministically predict or verify an EVM smart contract address before it is deployed — especially for CREATE2 counterfactual deployments, factory contract patterns, or validating addresses announced by protocols. Prefer this over on-chain lookups when the contract hasn't been deployed yet and you only have the deployer and salt/nonce.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:42:06.142Z","isFirstParty":false,"canonicalSlug":"vextorium-contract-address-pre-computation-create-create2-856312f1"}