{"uid":"cap_wo1jZRzMS5X5LBI4gpYqQ","slug":"ozmium-aave-v3-base-supply-calldata-849b72b3","name":"Ozmium Aave v3 (Base) Supply Calldata","description":"Aave v3 (Base) supply calldata for a reserve underlying (approve step included when the live allowance is short; referralCode 0, onBehalfOf owner). POST /v1/tx/earn/aave/supply { asset, amount (atomic), owner }. Returns ordered { to, data, value } steps.","url":"https://ozmium.org/v1/tx/earn/aave/supply","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"asset":{"type":"string"},"owner":{"type":"string"},"amount":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oBXyfDZfftzAxrWZapP73","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates ordered transaction calldata (including ERC-20 approve if needed) to supply an asset to Aave v3 on Base mainnet on behalf of a given owner.","exampleAgentPrompt":"Generate the calldata to supply 1000 USDC (1000000000 atomic units) to Aave v3 on Base from my wallet 0xAbC...123 — include the approve step if my allowance is short.","exampleUseCases":null,"resultDescription":"An ordered array of transaction steps, each with `to` (contract address), `data` (hex calldata), and `value` (ETH value). May include an ERC-20 approve step before the Aave supply step, depending on the owner's current allowance. Uses referralCode 0 and onBehalfOf set to the owner address.","failureModes":["Invalid or unsupported asset address returns an error","Amount of 0 or negative value rejected","Malformed owner address returns a validation error","Asset not listed on Aave v3 Base returns an error","Network or RPC failure when checking live allowance","Insufficient payment (x402) results in 402 response"],"whenToPreferThis":"Use this endpoint when an AI agent needs ready-to-sign calldata (including conditional ERC-20 approval) to supply any supported asset into Aave v3 on Base mainnet, without needing to hand-craft ABI encoding or check allowances manually.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:36:41.114Z","isFirstParty":false}