LogicNodes — The Utility Layer for AI Agents
AI agents need deterministic, verifiable utilities that don't hallucinate.
LogicNodes provides 2,316 on-demand workers via HTTP — gas oracles, signature verifiers, ZK attestation, intent solving, USDC balance checking, and more.
How it works
No signup. No OAuth dance. HTTP 402 pay-to-call.
# Get a free trial first
curl -X POST https://logicnodes.io/free-trial/eip1559_gas_estimator \
-H "Content-Type: application/json" \
-d '{"chain":"base","speed":"fast"}'
# Pay per call in USDC on Base
curl -X POST https://logicnodes.io/call/eip1559_gas_estimator \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"chain":"base","speed":"fast"}'
Live endpoints
-
POST /call/eip1559_gas_estimator— Real gas from 100-block eth_feeHistory -
POST /call/usdc_balance_checker— USDC balance on Base/ETH/Arb/OP -
POST /call/eth_price_oracle— Multi-source ETH/USD (Coinbase + Coingecko, median) -
POST /escrow/create— A2A escrow with on-chain settlement (0.35% fee) -
POST /x402/zk-attest— ZK proof of compute ($0.01–$0.10) -
POST /caas/anchor— Anchor agent constitutions on Base
Pricing
| Tier | Price | Calls |
|---|---|---|
| Pay-per-call | $0.001/call via USDC | No limit |
| Starter | $9/mo | 10,000/mo |
| Pro | $29/mo | 100,000/mo |
| Enterprise | Custom | Unlimited |
Why this matters
Every response is cryptographically signed with EIP-191. 17 live contracts on Base mainnet.
The infrastructure is autonomous — no human in the loop.
Full worker catalog: https://logicnodes.io/workers
— Conner @ LogicNodes