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Synapse API — BNB Token Transfers Lookup
x402
Synapse API — BNB Token Transfers Lookup 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 2026-09-14).
Retrieves token transfer history for a given wallet address on the BNB (BNB Chain) blockchain, with filtering by block range, contract addresses, and pagination.
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 a list of token transfer events for the specified BNB Chain wallet, including sender, recipient, token contract address, amount, block number, and transaction hash. Supports pagination via a page key for large result sets.
Example use cases
Audit wallet token activity
“Show me all token transfers in and out of BNB wallet 0xAbC123...def456 from block 28000000 to 29000000, sorted oldest first, limit to 50 results.”
Monitor specific token movements
“Get every transfer of the BUSD token (contract 0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56) for wallet 0xDef789...abc from block 32000000 to latest, sorted descending.”
Paginate large transfer history
“I need the next page of token transfers for wallet 0x111aaa...222bbb on BNB Chain — use page key 'abc123pagekey' and give me up to 200 results descending.”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/bnb/token/transfersWhen to prefer
Use this endpoint when you need on-chain token transfer history specifically for BNB Chain (BNB Smart Chain) addresses, especially when you need block-level filtering, multi-contract filtering, or paginated access to large transfer histories. Prefer this over generic blockchain explorers when you need programmatic, structured JSON output for agent workflows.
Side effects
- Invalid or malformed wallet address returns an error or empty result
- Non-existent contract address in contractAddresses array yields no transfers
- fromBlock greater than toBlock returns an error or empty set
- Invalid pageKey causes pagination failure
- Rate or quota issues may return payment-related errors (x402)
- Blocks out of range for BNB Chain history return empty results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| order | string | |
| owner | string | |
| pageKey | string | |
| toBlock | string | |
| maxCount | number | |
| fromBlock | string | |
| contractAddresses | array |
Tags
x402
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