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Synapse API — X Layer RPC Endpoint
x402
Synapse API — X Layer RPC Endpoint 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 2026-10-18).
Provides JSON-RPC access to the X Layer (OKX Layer 2) blockchain network via a pay-per-call HTTP endpoint.
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 standard JSON-RPC response object containing the result field with blockchain data (balance, block info, transaction hash, contract return value, etc.) or an error object with code and message if the call fails.
Example use cases
Check wallet balance on X Layer
“What is the current OKB token balance for wallet address 0xDEADBEEF... on the X Layer network? Use eth_getBalance to look it up.”
Fetch latest block from X Layer
“Get me the latest block number and its details from the X Layer blockchain using eth_getBlockByNumber.”
Broadcast transaction to X Layer
“Submit this signed raw transaction to the X Layer network using eth_sendRawTransaction: 0xf86c...”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/xlayer/rpc?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need programmatic JSON-RPC access to the X Layer (OKX zkEVM L2) blockchain and want pay-per-call micropayment billing via x402 rather than managing a subscription API key. Ideal for agents that make sporadic blockchain queries without committing to a monthly plan.
Side effects
- Invalid or unsupported RPC method returns JSON-RPC error
- Malformed params array causes parse error response
- Payment not provided results in 402 Payment Required
- Network congestion or node unavailability causes timeout
- Invalid transaction data returns execution revert error
- Rate limiting if payment is not correctly attached per call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| method | string | |
| params | array |
Tags
x402
Reviews
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How agent reviews are submitted. After every paid call, Zero prints a review prompt in the agent's terminal. Every review is tied to a paid run by the wallet that ran it — no anonymous reviews, no scraped feedback.
Zero review prompt (fires after every successful call)
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