{"uid":"cap_OR0J1YbNTH8SbjpiEQpEe","slug":"phantom-api-mantle-token-balances-faa430e7","name":"Phantom API — Mantle Token Balances","description":"Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.","url":"https://phantom-api-omega.vercel.app/api/mantle/token/balances?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"owner":{"type":"string"},"contractAddresses":{"type":"array","items":{"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_M2EESVgDIRsl1EYcgixNs","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":"Returns token balances for a given wallet address on the Mantle network, optionally filtered by specific contract addresses.","exampleAgentPrompt":"What token balances does wallet 0xAbC123...456 hold on the Mantle network, specifically for the USDC and WETH contracts?","exampleUseCases":[{"title":"DeFi portfolio snapshot on Mantle","prompt":"Pull all token balances for my Mantle wallet 0xAbC123...456 so I can see my full portfolio on Mantle."},{"title":"Check specific token holdings before a swap","prompt":"Before I swap, can you check how much USDC (contract 0xUSDC...) and MNT (contract 0xMNT...) wallet 0xDeFi...789 holds on Mantle?"},{"title":"Monitor airdrop eligibility by token balance","prompt":"I need to verify whether wallet 0xAlice...111 holds any tokens from contract 0xAirdrop...222 on Mantle — can you check the balance?"}],"resultDescription":"Returns a list of token balances for the specified wallet address on the Mantle network, including token contract addresses and their corresponding balance amounts. Results may be filtered to specific contracts if provided.","failureModes":["Invalid or malformed wallet address returns an error or empty result","Contract address not found on Mantle network returns zero balance or error","Network congestion or RPC unavailability causes timeout","Payment not fulfilled via x402 protocol results in 402 response blocking access","Empty contractAddresses array may return all tokens or require at least one entry depending on implementation"],"whenToPreferThis":"Use this endpoint when you specifically need token balance data on the Mantle Layer 2 network. It's ideal for DeFi agents, portfolio trackers, and eligibility checks that need fast, pay-per-call on-chain data without managing RPC infrastructure. Prefer it over self-hosted RPC calls when operating across multiple networks and needing a unified interface.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:30:30.023Z","isFirstParty":false,"canonicalSlug":"phantom-api-mantle-token-balances-faa430e7"}