Ontario Protocol
ontarioprotocol.com · 6 paid endpoints · listed 2026-10-27
Base gas price right now: base fee, priority fee p25/p50/p90 over the last 20 blocks, ready-to-sign maxFeePerGas and maxPriorityFeePerGas for slow, normal and fast inclusion, an L1 data-fee upper bound, and the estimated total cost in wei of an ETH transfer and an ERC-20 transfer, read live from Base mainnet RPC with the block number. $0.0015 USDC on Base. Failed read, no charge. No account, no API key. Estimates, not inclusion guarantees. By Ontario Protocol.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| GET | ontarioprotocol.com/api/x402/base/gas Base gas price right now: base fee, priority fee p25/p50/p90 over the last 20 blocks, ready-to-sign maxFeePerGas and maxPriorityFeePerGas for slow, normal and f | $0.0015 | Base |
| GET | ontarioprotocol.com/api/x402/base/balances Base wallet balance for any address: ETH, USDC and about 25 widely held Base tokens, plus up to 20 ERC-20 token contracts you name, each with symbol, decimals, | $0.002 | Base |
| GET | ontarioprotocol.com/api/x402/base/tx-check Verify a Base transaction by hash: status, block, timestamp and confirmations, with its USDC and ERC-20 Transfers decoded (token, from, to, amount; up to 100 li | $0.002 | Base |
| POST | ontarioprotocol.com/api/x402/find-api Which x402 API should my agent call? Live API finder for any task. Required: task. Returns up to 5 paid APIs that answered a fresh unpaid probe with a valid Bas | $0.005 | Base |
| POST | ontarioprotocol.com/api/x402/refresh-listing Refresh the live readiness evidence, canonical JSON profile, and badge for one existing paid Ontario x402 service listing after its included 30-day maintenance | $0.10 | Base |
| POST | ontarioprotocol.com/api/x402/list-service List your paid x402 API for agent discovery: a 0.50 USDC Bazaar Launch Passport with readiness evidence, a five-query Coinbase Bazaar retrieval audit and a sign | $0.50 | Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 6 h ago | ontarioprotocol.com/api/x402/base/balances | 402 | 459 | valid x402 v2 terms |
Income on Base (7 days)
| Day | Transfers | USDC | |
|---|---|---|---|
| 2026-11-02 | 1 | $0.0015 | |
| 2026-10-30 | 4 | $0.0105 | |
| 2026-10-29 | 1 | $0.0015 | |
| 2026-10-27 | 2 | $0.5015 | |
| 2026-10-26 | 5 | $0.009 |
Is this your API?
<a href="https://logicnodes.io/observatory/p/ontarioprotocol.com"><img src="https://logicnodes.io/observatory/badge/ontarioprotocol.com.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/ontarioprotocol.com