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Synapse API — ZKsync Token Transfers
x402
Synapse API — ZKsync Token Transfers 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 transfer history for a given address on the ZKsync blockchain network, with filtering by block range, contract, 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 on the ZKsync network for the specified owner address, including token contract details, sender/receiver addresses, amounts, block numbers, and transaction hashes. Supports paginated responses via a page key for large result sets.
Example use cases
Audit wallet token activity
“Pull all token transfers for ZKsync address 0x1234...abcd sorted newest first — I want to see what tokens have moved in and out of that wallet recently.”
Track specific ERC-20 transfers
“Get all transfers of the USDC contract 0xTokenAddr...789 on ZKsync for address 0xWallet...abc between block 5000000 and 6000000, up to 100 results in ascending order.”
Paginate large transfer history
“I need the next page of ZKsync token transfers for wallet 0xDeFi...999 — use page key 'abc123pagekey' to continue from where we left off and return up to 25 results.”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/zksync/token/transfersWhen to prefer
Use this endpoint when you need to retrieve token transfer history specifically on the ZKsync Layer 2 network. It is ideal for auditing wallet activity, tracking ERC-20 movements, or building analytics for a ZKsync address. Prefer it over Ethereum mainnet transfer endpoints when the target activity is on ZKsync, and use the block range and contract address filters to narrow down results efficiently.
Side effects
- Invalid or malformed wallet address returns an error or empty result
- Block range not yet indexed may return incomplete data
- Invalid page key causes pagination failure
- Unsupported contract address format results in empty transfers
- Rate limiting or payment failure (x402) blocks the request
- Requesting too high a maxCount may be capped or cause timeout
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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