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Use Venice as a pay-per-call JSON-RPC proxy to 27 EVM, Starknet, and Solana networks. Covers GET /crypto/rpc/networks, POST /crypto/rpc/{network}, chain families and per-family method allowlists, the 1×/2×/4× method-tier pricing model, per-minute + 24-hour credit rate limits, idempotency keys for safe retries, single vs batch requests, and the unsupported stateful/WebSocket methods (eth_subscribe, eth_newFilter, *Subscribe, etc.).
Passed 25 of 25 test cases with the skill, and 5 of 25 without it.
and 28 more in the full report
20 fixed5 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 20 test cases the skill fixed. Same model, same prompt, with and without the skill.
Write a curl command that invokes zks_getBridgeContracts on zksync-mainnet using Venice's RPC proxy.
| Checked | Without skill | With skill |
|---|---|---|
| Posts request to https://api.venice.ai/api/v1/crypto/rpc/zksync-mainnet | Missed | Passed |
| Specifies method zks_getBridgeContracts in the JSON-RPC request body | Passed | Passed |
The instructions your model reads when the skill loads.
Venice exposes a multi-chain JSON-RPC proxy billed per call. Same request shape as Alchemy / Infura — change the base URL and pay per credit from your Venice balance (DIEM → earned credits → bundled credits → USD) or an x402 wallet.
| Endpoint | Auth | Notes |
|---|---|---|
GET /crypto/rpc/networks | None (public) | Returns { "networks": [...] }, sorted alphabetically. |
POST /crypto/rpc/{network} | Bearer API key (INFERENCE or ADMIN) or SIGN-IN-WITH-X (x402 wallet) | Forward a JSON-RPC 2.0 request (single or batch). |
curl https://api.venice.ai/api/v1/crypto/rpc/networks
It currently returns 27 slugs (always verify — the catalog grows):
arbitrum-mainnet arbitrum-sepolia
avalanche-mainnet avalanche-fuji
base-mainnet base-sepolia
blast-mainnet blast-sepolia
bsc-mainnet bsc-testnet
ethereum-mainnet ethereum-sepolia ethereum-holesky
linea-mainnet linea-sepolia
optimism-mainnet optimism-sepolia
polygon-mainnet polygon-amoy
robinhood-mainnet robinhood-testnet
solana-mainnet solana-devnet
starknet-mainnet starknet-sepolia
zksync-mainnet zksync-sepolia
Use the slug as {network} in the proxy path. An unknown slug is a 400. The spec's example list for /networks omits blast-mainnet / blast-sepolia, but the live endpoint and proxy include them — trust GET /crypto/rpc/networks, and don't hardcode a client-side allowlist.
Each network speaks exactly one method family, and the allowlist is enforced per family. Sending an EVM method to a Solana network (or the reverse) is a 400, not a pass-through.
| Family | Networks |
test cases passed, vs 5 / 25 without
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