HostDeFi Multi-Chain JSON-RPC Gateway

x402

HostDeFi Multi-Chain JSON-RPC Gateway is a paid API for AI agents from hostdefi.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-11).

Executes JSON-RPC calls against Solana or EVM-compatible blockchain nodes across multiple chains via a pay-per-call x402 endpoint

Price / call$0.002

Seller volume →—

Success—

StatusUnknown

How this service works

HostDeFi is a Solana DEX with a free token safety scanner. Best-route swaps through Jupiter, EVM trading across 7 chains, native bridging, and live token risk grades. No KYC, 1% flat fee.

Output

A standard JSON-RPC 2.0 response object containing an id field matching the request, a jsonrpc field set to '2.0', and a result field with the chain-specific data (e.g. hex-encoded block number, slot integer, balance in wei, transaction receipt object, or contract return value). Errors return a standard JSON-RPC error object.

Example use cases

Check latest Solana slot

“Use the HostDeFi RPC endpoint for Solana to call getSlot and tell me the current slot number on the Solana mainnet.”

Query EVM wallet balance

“Call eth_getBalance on the Polygon chain for wallet address 0xAbCd...1234 using the HostDeFi multi-chain RPC and convert it from wei to MATIC for me.”

Broadcast signed EVM transaction

“I have a signed raw transaction I need to submit to the Arbitrum network — can you send it via the HostDeFi RPC gateway using eth_sendRawTransaction?”

Technical details

Endpoint

POSThttps://hostdefi.com/api/v1/x402/rpc/%7Bchain%7D?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need pay-per-call, no-KYC access to JSON-RPC blockchain node queries across Solana or multiple EVM chains without committing to a subscription RPC provider. Particularly useful for agents that need occasional multi-chain queries at a flat $0.002 per call cost, or when you want to combine RPC access with HostDeFi's DeFi and token safety context.

Side effects

Method not on allowlist returns a JSON-RPC error with method not allowed
Invalid chain identifier in URL path returns 404 or routing error
Malformed JSON-RPC body returns parse error response
Payment failure (x402 unpaid) returns HTTP 402 before RPC is executed
Network congestion or node downtime may cause timeouts
Invalid params for the given method return JSON-RPC invalid params error

Input

Schema · Request body

Field	Type	Description
id	integer
method	string	JSON-RPC method name (eth_blockNumber, getSlot, …) — allowlist enforced upstream
params	array
jsonrpc	string	'2.0'

Output

Schema · Response

{
  "type": "json",
  "example": {
    "id": 1,
    "result": "0x…",
    "jsonrpc": "2.0"
  }
}

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