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JSON Cross Field Equal
x402
JSON Cross Field Equal 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).
Checks two named top-level fields in a JSON object for exact equality and returns a versioned validation result with counts and normalized values.
Price / call$0.001
Success—
StatusUnknown
How this service works
JSON Cross Field Equal: JSON Cross Field Equal checks two top-level fields for exact JSON equality from bounded caller-supplied values without an external provider. Call JSON Cross Field Equal before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for JSON Cross Field Equal as versioned deterministic JSON. Price: $0.001 USDC via x…
Output
Returns a versioned deterministic JSON result indicating whether the two specified top-level fields are exactly equal, along with normalized values of both fields, counts, and a versioned result contract envelope.
Example use cases
Confirm payment amount match
“Before sending this payment order downstream, check whether the 'amount' field and the 'verified_amount' field in this JSON object are exactly equal: {"amount": 250.00, "verified_amount": 250.00, "currency": "USD"}.”
Validate form confirmation fields
“I have a user registration object where I need to make sure 'email' and 'email_confirm' contain the exact same value — can you check those two fields for equality in this object: {"email": "user@example.com", "email_confirm": "user@example.com", "username": "jdoe"}?”
Assert contract terms consistency
“Check whether the 'agreed_rate' and 'invoice_rate' fields are exactly equal in this contract record before I send it to the billing system: {"agreed_rate": 125.50, "invoice_rate": 125.50, "vendor": "Acme Corp"}.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/json-cross-field-equalWhen to prefer
Use this endpoint when an agent needs to programmatically verify that two named fields within a single JSON object are exactly equal before passing structured data to a downstream tool or API with a strict contract. It is ideal for pre-flight validation steps in agent pipelines, confirmation field matching (e.g. password/confirm_password, price/confirmed_price), or cross-field consistency checks without needing to spin up custom code execution. Prefer it over generic code execution or LLM-based checks when you need deterministic, versioned, auditable equality validation at low cost ($0.001 USDC).
Side effects
- Field name not found in object — one or both specified field names do not exist as top-level keys
- Object exceeds maxProperties limit of 128 — request rejected
- Field name string exceeds 8192 character limit — request rejected
- Type mismatch causing unexpected equality result — deep JSON equality is used so differing types (e.g. string '1' vs integer 1) will not match
- Malformed JSON object in request body — parse error returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| object | object | Object supplied to JSON Cross Field Equal; used only for this bounded calculation and processed in memory without retention. |
| left_field | string | Left Field supplied to JSON Cross Field Equal; used only for this bounded calculation and processed in memory without retention. |
| right_field | string | Right Field supplied to JSON Cross Field Equal; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"left": 10,
"right": 10,
"matched": true
},
"schema": "delx/util-json-cross-field-equal/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "ca96ab3c4e08fd0bc3ad129dc6be30b34456bf51239c8408dacaa3ac35bb03fe",
"external_calls": 0
},
"operation": "data_batch:json_cross_field_equal"
}
}Tags
x402
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