{"uid":"cap_SEnE9csO8gGq_3gWhEJp3","slug":"delx-commerce-evm-batch-value-sum-fbb5b2fc","name":"Delx Commerce EVM Batch Value Sum","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-batch-value-sum?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"values_wei":{"type":"array","items":{"type":"string","maxLength":8192},"maxItems":256,"description":"Values Wei supplied to EVM Batch Value Sum; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"total_wei":"600","transaction_count":3},"schema":"delx/util-evm-batch-value-sum/v1","status":"pass","evidence":{"retained":false,"input_sha256":"fcf938cef1b6f0dd254b891555c2975596fbdec45a46507b6b38042c55723893","external_calls":0},"operation":"evm_preflight:evm_batch_value_sum"}},"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_iLdO25weg77Wqv9qHnjP1","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":"Sums an array of EVM transaction values expressed in Wei and returns the total Wei and transaction count, processed in-memory without data retention.","exampleAgentPrompt":"Sum up these EVM transaction values in Wei for me — [\"100\", \"200\", \"300\"] — and tell me the total Wei and how many transactions there are.","exampleUseCases":[{"title":"Pre-flight EVM batch cost check","prompt":"Before I submit this batch of EVM transactions, can you add up all the Wei values — [\"500000000000000000\", \"250000000000000000\", \"750000000000000000\"] — and tell me the total and how many transactions are in the batch?"},{"title":"Reconcile multi-sender ETH transfers","prompt":"I have a list of individual ETH transfer amounts in Wei from different senders: [\"1000000000000000\", \"2000000000000000\", \"3000000000000000\", \"500000000000000\"]. Can you sum them all up and confirm the transaction count?"},{"title":"Agent wallet treasury audit","prompt":"I need to verify the cumulative Wei value of these pending outbound transactions before my agent executes them: [\"10000000000000000\", \"20000000000000000\"]. What's the grand total in Wei and how many transactions is that?"}],"resultDescription":"Returns a JSON object containing total_wei (the summed value of all input Wei amounts as a string), transaction_count (integer count of inputs), a status field ('pass'), the operation name, and an evidence block confirming no data was retained, the SHA-256 hash of the input, and zero external calls made.","failureModes":["Array exceeds 256 items — request rejected","Individual string value exceeds 8192 characters — validation error","Non-numeric string in values_wei array — computation error","Empty array input — returns total_wei of 0 and transaction_count of 0","Malformed JSON body — 400 bad request","Payment not included or insufficient USDC — 402 payment required"],"whenToPreferThis":"Choose this endpoint when you need a fast, verifiable, in-memory sum of multiple EVM Wei values without any data leaving the service or being stored — ideal for pre-flight transaction validation, batch cost estimation, or audit trails where the SHA-256 evidence hash matters. Prefer it over client-side summation when you need a trustless, third-party-verifiable computation result with no external calls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:54:07.187Z","isFirstParty":false,"canonicalSlug":"delx-commerce-evm-batch-value-sum-fbb5b2fc"}