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Hex to Integer Converter
x402
Hex to Integer Converter is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Converts a 0x-prefixed hexadecimal string into its decimal integer string representation using local deterministic math
Price / call$0.001
Success—
StatusUnknown
How this service works
Parse 0x-hex strings into decimal integer strings for agents. Call when decoding calldata, logs, or block fields without a full ABI stack. Returns decimal integer string from hex as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.
Output
A deterministic JSON response containing the decimal integer string representation of the input hex value, computed locally without any RPC calls or external dependencies
Example use cases
Decoding EVM calldata field
“I pulled a raw transaction calldata hex field from an Ethereum log — it's 0x0000000000000000000000000000000000000000000000000de0b6b3a7640000 — can you convert that to a decimal integer so I can see the actual value?”
Parsing block number from RPC response
“The RPC returned the current block number as 0x11e8480, can you decode that hex string into a regular decimal number for me?”
Reading token amount from contract return
“My contract returned 0x2386f26fc10000 as a balance value — what is that as a decimal integer?”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/hex-to-intWhen to prefer
Choose this endpoint when you need a quick, deterministic, no-key-required hex-to-decimal conversion without spinning up a full ABI decoder or making RPC calls — ideal for lightweight agents decoding individual fields from calldata, logs, or block headers where a full EVM stack is overkill
Side effects
- Invalid or malformed hex string input (non-hex characters, missing 0x prefix) returns an error
- Overflow for extremely large hex values beyond integer limits
- Payment failure via x402 protocol prevents execution
- Empty or missing hex field in request body
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| hex | string | Input field: hex. |
Output
Schema · Response
{
"type": "json",
"example": {
"hex": "0xff",
"value": "255",
"schema": "delx/util-hex-to-int/v1"
}
}Tags
x402
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