{"uid":"cap_e11zd41oFmc7osufW95ad","slug":"delx-evm-batch-value-sum-79b667d5","name":"Delx EVM Batch Value Sum","description":"EVM Batch Value Sum: EVM Batch Value Sum sums bounded raw transaction values for a batch funding view from bounded caller-supplied values without an external provider. Call EVM Batch Value Sum before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Batch Value Sum as versioned deterministic JSON. Price: $0.001 USDC via x40…","url":"https://api.delx.ai/api/v1/x402/evm-batch-value-sum","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_Vc5LrZdfJRfy6MxHlfu6m","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 (in wei) and returns the total wei and transaction count in a single bounded computation.","exampleAgentPrompt":"Can you sum up these EVM transaction values in wei for me — 200, 150, and 250 — and tell me the total wei and how many transactions that covers?","exampleUseCases":[{"title":"Preflight batch ETH transfer check","prompt":"Before I submit this batch of ETH transfers, sum up these wei values for me — 1000000000000000000, 500000000000000000, and 250000000000000000 — so I can confirm the total outflow before signing."},{"title":"Aggregate DeFi swap values","prompt":"I have a list of 10 DeFi swap amounts in wei: 300000, 450000, 120000, 780000, 210000, 560000, 390000, 670000, 840000, 430000 — add them all up and tell me the grand total and transaction count."},{"title":"Validate batch payload total before posting","prompt":"I'm about to POST a batch of on-chain payments and need to verify the total wei commitment — can you sum these values: 5000000000, 3000000000, 7000000000, 2500000000?"}],"resultDescription":"Returns a JSON object with the summed total in wei as a string, the count of input transactions, the operation name, a pass/fail status, and an evidence block confirming no data retention and no external calls, plus the SHA-256 hash of the input for auditability.","failureModes":["Array exceeds 256 items limit — request rejected","Individual value string exceeds 8192 characters — rejected","Non-numeric or malformed wei string in array — computation error","Empty array — may return zero total","Network timeout or service unavailability — HTTP 5xx"],"whenToPreferThis":"Choose this endpoint when you need a fast, auditable, in-memory summation of EVM wei values with no external calls or data retention, especially for preflight checks before submitting batch on-chain transactions. Prefer it over doing client-side arithmetic when you need a tamper-evident SHA-256 evidence receipt of the input. It is bounded to 256 items and pure computation with no side effects.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:14:51.187Z","isFirstParty":false}