{"uid":"cap_bu0mPbtU6cIbOm39HdT4z","slug":"delx-commerce-evm-chain-match-check-81eb63db","name":"Delx Commerce EVM Chain Match Check","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/evm-chain-match-check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"expected_chain_id":{"type":"integer","description":"Expected Chain Id supplied to EVM Chain Match Check; used only for this bounded calculation and processed in memory without retention."},"transaction_chain_id":{"type":"integer","description":"Transaction Chain Id supplied to EVM Chain Match Check; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"matched":true,"actual_chain_id":8453,"expected_chain_id":8453},"schema":"delx/util-evm-chain-match-check/v1","status":"pass","evidence":{"retained":false,"input_sha256":"2cce3c222210e72942db98539fb969bde594c631c42bd033610c69b74484ac8c","external_calls":0},"operation":"evm_preflight:evm_chain_match_check"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_N227zTpzGW2YC0wT2dFyG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a transaction's chain ID matches an expected chain ID during EVM preflight checks","exampleAgentPrompt":"Before I send this transaction, check if the chain ID in my transaction (8453) matches the chain I'm expecting it to go to (also 8453) — I want to make sure they're the same network.","exampleUseCases":[{"title":"Guard against wrong-network transactions","prompt":"I'm about to submit a transaction with chain ID 1, but I expected it to go to Base (chain ID 8453) — can you run a chain match check to confirm whether they're the same network before I proceed?"},{"title":"Preflight check in automated agent workflow","prompt":"Before my agent submits the on-chain step, verify that the transaction's chain ID 137 matches the expected Polygon chain ID 137 so we don't accidentally hit the wrong network."},{"title":"Debugging a failed blockchain submission","prompt":"A transaction I sent seems to have gone to the wrong chain — can you check if chain ID 56 matches the expected chain ID 8453 and tell me whether there was a mismatch?"}],"resultDescription":"Returns a JSON object indicating whether the two chain IDs matched, the actual and expected chain IDs, a pass/fail status, and a verifiable evidence object including an input SHA-256 hash and confirmation that no data was retained or external calls made.","failureModes":["Missing required fields (expected_chain_id or transaction_chain_id) results in a validation error","Non-integer chain ID values cause schema rejection","Payment failure (insufficient USDC balance or x402 protocol error) blocks the request","Network timeout or service unavailability returns a 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, stateless, pay-per-call EVM chain ID comparison with cryptographic evidence of the computation — especially in agent workflows requiring auditable preflight checks before submitting on-chain transactions. Prefer it over home-grown comparisons when verifiability, no-signup simplicity, and USDC micropayment pricing matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:42.741Z","isFirstParty":false,"canonicalSlug":"delx-commerce-evm-chain-match-check-81eb63db"}