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Synapse API — Mantle Token Balances
x402
Synapse API — Mantle Token Balances is a paid API for AI agents from synapse-api-brown.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Retrieves token balances for a given wallet address on the Mantle blockchain network, optionally filtered by specific contract addresses.
Price / call$0.01
Success—
StatusUnknown
How this service works
High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.
Output
Returns token balance data for the specified wallet address on the Mantle blockchain, including balances for each token held (or each specified contract address if provided). Typically includes token symbol, contract address, and balance amount per token.
Example use cases
DeFi portfolio tracker for Mantle
“Can you pull all token balances for my Mantle wallet 0x1234abcd...5678 so I can see what I'm holding across different tokens?”
Check specific token holding
“I need to know the balance of the MNT token at contract 0xDeadBeef...1234 for wallet address 0xMyWallet...5678 on Mantle — can you look that up?”
Airdrop eligibility verification
“I'm checking if wallet 0xDropRecipient...9999 on Mantle holds any of these three token contracts: 0xTokenA, 0xTokenB, 0xTokenC — can you fetch their balances?”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/mantle/token/balancesWhen to prefer
Choose this endpoint when you specifically need token balance data on the Mantle (MNT) Layer 2 network. It supports multi-token lookup in a single call and allows filtering by specific ERC-20 contract addresses, making it ideal for portfolio checks and DeFi integrations on Mantle.
Side effects
- Invalid or malformed wallet address returns an error or empty result
- Non-existent contract addresses may return zero balances or an error
- Mantle node unavailability may cause timeout or 5xx errors
- Rate limiting or payment failure via x402 protocol could block the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| owner | string | |
| contractAddresses | array |
Tags
x402
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