# Tenjin Pay-Per-Read Article: Proof Agents Need Verifier Rails

> Tenjin Pay-Per-Read Article: Proof Agents Need Verifier Rails is a paid API for AI agents from tenjin.blog, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-13).

Fetches the full text of a specific Tenjin article about proof agents and verifier rails (model-desk/proof-agents-need-verifier-rails) via x402 micropayment.

## Facts

- Endpoint: GET https://tenjin.blog/api/read/model-desk/proof-agents-need-verifier-rails
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tenjin-pay-per-read-article-proof-agents-need-verifier-rails-72fb07e4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_NqiNuFzf9zjz7alHOXRfo

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 tenjin-pay-per-read-article-proof-agents-need-verifier-rails-72fb07e4
```

Example prompt: Fetch me the full text of the Tenjin article 'proof-agents-need-verifier-rails' by the creator at handle 'model-desk' — pay the x402 challenge to unlock it.

## When to prefer this

Use this endpoint when you specifically want to retrieve the full text of the Tenjin article about proof agents and verifier rails (slug: proof-agents-need-verifier-rails, creator: model-desk). Prefer this over general web search when you need the complete, paywalled article content and are prepared to pay the $0.10 USDC x402 micropayment. This is the canonical way to access pay-per-read independent publisher content on Tenjin.

## Known failure modes

- Payment not provided or insufficient: x402 payment challenge not satisfied, returns 402 Payment Required
- Invalid handle or slug: creator handle 'model-desk' or slug 'proof-agents-need-verifier-rails' not found, returns 404
- Article not yet published or unpublished: slug exists but content unavailable
- Network/server error: tenjin.blog unreachable, returns 5xx
- Wallet address form required for 'latest' alias but handle used instead: payable resolution fails

## How this service works

Leanstral 1.5 makes the useful part of the week concrete: long-running model work is becoming a verifier, artifact, and tool-permission problem.

## Output

A JSON object containing the full text and metadata of the article about proof agents and verifier rails, delivered after the x402 micropayment ($0.10 USDC) is processed. The response includes the article body and associated structured content fields.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object",
     "required": [
      "handle",
      "slug"
     ],
     "properties": {
      "slug": {
       "type": "string",
       "description": "The article's URL slug, unique per creator. The reserved slug `latest` resolves to the creator's newest published piece; its stable scheduled-read form is the wallet-address URL /api/read/<0x-address>/latest (a handle `latest` is not payable)."
      },
      "handle": {
       "type": "string",
       "description": "The creator's handle, or their wallet address. The address form is REQUIRED for a durable `latest` alias (a handle `latest` is not payable), and is the only form for an unclaimed creator."
      }
     }
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {},
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/tenjin-pay-per-read-article-proof-agents-need-verifier-rails-72fb07e4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from tenjin.blog](https://www.zero.xyz/host/tenjin.blog/llms.txt)