{"uid":"cap_pnzw9RrddhQ_TZqKfZU9x","slug":"delx-commerce-evm-slippage-bounds-check-4a22d83b","name":"Delx Commerce EVM Slippage Bounds 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-slippage-bounds-check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"minimum_output_raw":{"type":"string","maxLength":8192,"description":"Minimum Output Raw supplied to EVM Slippage Bounds Check; used only for this bounded calculation and processed in memory without retention."},"expected_output_raw":{"type":"string","maxLength":8192,"description":"Expected Output Raw supplied to EVM Slippage Bounds Check; used only for this bounded calculation and processed in memory without retention."},"maximum_slippage_bps":{"type":"integer","description":"Maximum Slippage Bps supplied to EVM Slippage Bounds Check; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"slippage_bps":100,"within_policy":true},"schema":"delx/util-evm-slippage-bounds-check/v1","status":"pass","evidence":{"retained":false,"input_sha256":"5dc5df2b52d98e3702891cadc557bb1b15650ccede841dc6c0a42606eb549a31","external_calls":0},"operation":"evm_preflight:evm_slippage_bounds_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_iSju6v3MTrIGWvZ4AM83V","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 the actual slippage on an EVM token swap falls within an acceptable policy threshold before execution","exampleAgentPrompt":"Before I execute this swap, check if the slippage is within my 100 bps maximum — expected output is 1000000000 and minimum output is 990000000.","exampleUseCases":[{"title":"Pre-trade slippage guard for DEX swap","prompt":"I'm about to execute a token swap on-chain. My expected output is 5000000000 and minimum output is 4950000000 — can you check if the slippage is within my 50 bps max before I submit?"},{"title":"Agent DeFi policy enforcement","prompt":"My trading agent needs to verify this EVM swap won't exceed 200 bps slippage — expected output is 2000000000, minimum output is 1960000000. Run the slippage bounds check and tell me if it passes policy."},{"title":"Arbitrage bot preflight validation","prompt":"Before my arbitrage bot fires this transaction, validate the slippage: expected output 800000000, minimum output 792000000, and maximum allowed slippage is 150 bps. Does it pass?"}],"resultDescription":"Returns the computed slippage in basis points (slippage_bps), a boolean indicating whether the trade is within policy (within_policy), a pass/fail status string, and an evidence object containing a SHA-256 hash of the inputs and confirmation that no data was retained and no external calls were made.","failureModes":["Missing required fields (minimum_output_raw, expected_output_raw, or maximum_slippage_bps) cause validation errors","Non-numeric string values for output amounts may cause parsing failures","Payment not received or insufficient USDC causes 402 rejection","Slippage exceeds policy threshold returns within_policy: false but is not itself an error — the agent must handle this as a soft failure"],"whenToPreferThis":"Use this endpoint when an AI agent needs a lightweight, verifiable, privacy-preserving preflight check on EVM swap slippage before submitting a transaction on-chain. Ideal when you want cryptographic evidence (input hash) that the check was performed without data retention, and when paying per-call without signup overhead via x402/USDC is preferred over integrating a full on-chain oracle or DEX SDK.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:54:02.968Z","isFirstParty":false,"canonicalSlug":"delx-commerce-evm-slippage-bounds-check-4a22d83b"}