# WHP Standing — Wheeler Hubbell Publishing Priority Evaluation

> WHP Standing — Wheeler Hubbell Publishing Priority Evaluation is a paid API for AI agents from standing-guard-service.lovable.app, paid per call via x402, $5/call, status unknown (last checked 2026-10-12).

Evaluates and cryptographically signs a priority standing claim for a given subject under Wheeler Hubbell Publishing's explicit authority bounds.

## Facts

- Endpoint: POST https://standing-guard-service.lovable.app/v1/evaluate/priority?utm_source=zero.xyz
- Price: $5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/whp-standing-wheeler-hubbell-publishing-priority-evaluation-367c284e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_y3CYewSlJBQuX027_nmTp

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability whp-standing-wheeler-hubbell-publishing-priority-evaluation-367c284e -d '<json body>'
```

Example prompt: Can you evaluate the priority standing of the claim 'This manuscript was submitted by Jane Doe on behalf of Wheeler Hubbell Publishing under explicit editorial authority' for the subject 'Jane Doe / Editorial Board Submission #4421'? I need a machine-verifiable signed result.

## When to prefer this

Choose this endpoint when you need a cryptographically signed, machine-verifiable attestation of standing for a claim or subject under Wheeler Hubbell Publishing's explicit authority — particularly when downstream systems require Ed25519 signatures and a record hash for tamper-evident verification. It is purpose-built for authority-bounded standing evaluation rather than general-purpose identity verification or document notarization.

## Known failure modes

- Missing required fields (subject or claim) returns a 400-level validation error
- Claim or subject string exceeds character limits (4000 and 2000 respectively) causes rejection
- Invalid or missing authority provenance may result in an unverifiable or rejected evaluation
- Service unavailability on the lovable.app hosting platform may cause intermittent 5xx errors
- Payment failure or insufficient USDC balance (requires $5 USDC per call) blocks the request

## How this service works

Machine-verifiable standing under explicit authority and bounds.

## Output

Returns a JSON object containing a signed priority evaluation record (typed as SignedPriorityEvaluation), including a not_sealed_mark flag, an Ed25519 digital signature with algorithm identifier, base64url-encoded signature value and public key, and a SHA-256 hex hash of the record for machine verification.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "type": "object",
     "required": [
      "subject",
      "claim"
     ],
     "properties": {
      "claim": {
       "type": "string",
       "maxLength": 4000,
       "minLength": 1
      },
      "subject": {
       "type": "string",
       "maxLength": 2000,
       "minLength": 1
      },
      "provenance": {
       "type": "object",
       "properties": {
        "source": {
         "type": "string"
        },
        "evidence": {
         "type": "array",
         "items": {}
        },
        "authority": {
         "type": "string"
        }
       }
      }
     }
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "record": {
   "type": "see SignedPriorityEvaluation",
   "not_sealed_mark": true
  },
  "signature": {
   "alg": "Ed25519",
   "value_b64url": "base64url",
   "public_key_b64url": "base64url"
  },
  "record_hash": "sha256 hex"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/whp-standing-wheeler-hubbell-publishing-priority-evaluation-367c284e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from standing-guard-service.lovable.app](https://www.zero.xyz/host/standing-guard-service.lovable.app/llms.txt)