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Synapse API — Metis Transaction History
x402
Synapse API — Metis Transaction History 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 2026-10-10).
Fetches paginated transaction history for a given address on the Metis blockchain network, with filtering by block range, category, and address.
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
A paginated list of transactions on the Metis network matching the specified filters, including transfer details, block numbers, addresses, asset categories, and optionally full metadata. A pageKey is returned when more results are available.
Example use cases
Audit wallet activity on Metis
“Show me all transactions from Metis wallet 0xAbC123... between block 5000000 and 5500000, sorted oldest first, with full metadata included.”
Monitor incoming ERC20 transfers
“Fetch the last 50 incoming ERC20 token transfers to address 0xDeF456... on Metis, excluding any zero-value transfers.”
Paginate large transaction history
“Get the next page of transaction history for Metis address 0x789... using page key 'abc-page-key-xyz', up to 100 results in descending order.”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/metis/tx/history?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need transaction history on the Metis Layer 2 blockchain network and want flexible filtering by address, block range, category, and sort order via a simple pay-per-call API without managing your own node infrastructure.
Side effects
- Invalid or malformed address returns an error or empty result
- Block range too large may cause timeout or truncated results
- Invalid pageKey causes pagination failure
- Unsupported category values may return empty or error
- Missing required address fields may return all transactions or an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| order | string | |
| pageKey | string | |
| toBlock | string | |
| category | array | |
| maxCount | number | |
| fromBlock | string | |
| toAddress | string | |
| fromAddress | string | |
| withMetadata | boolean | |
| excludeZeroValue | boolean |
Tags
x402
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