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Delx ABI Type Index
x402
Delx ABI Type Index is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Indexes ABI type strings by frequency to assist with encoding planning, running locally and statically without any live RPC or blockchain call.
Price / call$0.003
Success—
StatusUnknown
How this service works
Index ABI type frequency for planning encodings without performing eth_call — call when indexing ABI type frequency before encoding. Use for chain input hygiene without live RPC—adjacent to OneSource-class small chain reads, but static/local only so rights and margin stay clear. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, and no claim of live chain tip, w…
Output
Returns a deterministic machine-readable JSON object mapping each ABI type string to its frequency count within the submitted list, enabling encoding planning and chain input hygiene without any live RPC call.
Example use cases
Pre-encoding ABI type audit
“I have a list of ABI types — uint256, address, bytes32, uint256, bool, address, bytes32, uint256 — can you index them by frequency so I know which types dominate before I plan the encoding?”
ABI schema hygiene check
“Before I run any eth_call, I want to understand the type distribution in my ABI. Here are the types: address, uint8, uint256, bool, uint256, address, bytes. Can you give me a frequency index?”
Encoding pipeline planning
“I'm building an encoding pipeline and need to know how often each ABI type shows up in my schema. The types are: address, uint256, int256, address, bytes32, bool, uint256. Can you index them?”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/abi-type-indexWhen to prefer
Choose this endpoint when you need a static, deterministic, zero-RPC frequency analysis of ABI type strings — ideal for encoding planning, schema hygiene, or pre-flight validation pipelines where live chain access is unnecessary or undesirable. Prefer it over on-chain or RPC-adjacent tools when cost, privacy, or reproducibility are priorities.
Side effects
- Empty or missing types array returns an error or empty index
- Invalid ABI type strings may be counted as-is or flagged
- Malformed input JSON returns a 400-level error
- Payment failure via x402 returns 402 with payment details required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| types | array | ABI type strings to index (e.g. address, uint256). |
Output
Schema · Response
{
"type": "json",
"example": {
"index": [
{
"type": "address",
"count": 2
},
{
"type": "uint256",
"count": 1
},
{
"type": "bytes",
"count": 1
}
],
"schema": "delx/util-abi-type-index/v1",
"advisory": "Index only; does not encode or eth_call.",
"type_count": 4,
"unique_types": 3
}
}Tags
x402
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