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Delx Commerce — EVM Priority Fee Ratio Calculator
x402
Delx Commerce — EVM Priority Fee Ratio Calculator is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Computes the ratio of max priority fee to max fee per gas for an EVM transaction, returning both a decimal ratio and percentage.
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
Returns a JSON object containing the computed ratio (decimal) and percent (e.g. ratio: 0.05, percent: 5), along with a status field ('pass'), evidence object confirming no data retention and zero external calls, the input SHA256 hash for verifiability, and the operation identifier 'evm_preflight:evm_priority_fee_ratio'.
Example use cases
Pre-flight gas sanity check
“Before I send this Ethereum transaction, check the priority fee ratio — my maxFeePerGas is 50000000000 wei and maxPriorityFeePerGas is 2500000000 wei. Is the tip proportion reasonable?”
Gas fee structure analysis
“I'm building a gas estimator and need to know the ratio of priority fee to total fee cap — max fee is 30000000000 wei, priority fee is 1500000000 wei. Give me the ratio and percentage.”
Transaction cost optimization
“Can you compute the priority fee percentage for my pending tx? The maxFeePerGas is 100000000000 wei and the maxPriorityFeePerGas is 5000000000 wei — I want to see if I'm over-tipping miners.”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/evm-priority-fee-ratio?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, verifiable, pay-per-call computation of the EVM priority fee ratio without standing up your own arithmetic pipeline. Ideal for agent-driven transaction preflight checks where auditability (SHA256 input hash, no data retention guarantee) matters. Prefer over local computation when you need a tamper-evident record of the ratio calculation or when integrating into an x402 micropayment workflow on Base or Solana.
Side effects
- Invalid or non-numeric wei strings cause computation failure
- Missing required fields (max_fee_per_gas_wei or max_priority_fee_per_gas_wei) return an error
- Division by zero if max_fee_per_gas_wei is '0'
- Strings exceeding 8192 characters are rejected
- Payment failure via x402 if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| max_fee_per_gas_wei | string | Max Fee Per Gas Wei supplied to EVM Priority Fee Ratio; used only for this bounded calculation and processed in memory without retention. |
| max_priority_fee_per_gas_wei | string | Max Priority Fee Per Gas Wei supplied to EVM Priority Fee Ratio; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"ratio": 0.05,
"percent": 5
},
"schema": "delx/util-evm-priority-fee-ratio/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "b04dce361f99458031086c658ad3571d192c3729ea28ea2ccad5d3960a15eaf2",
"external_calls": 0
},
"operation": "evm_preflight:evm_priority_fee_ratio"
}
}Tags
x402
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