# Tenjin x402 Watch: Daily Discovery Report

> Tenjin x402 Watch: Daily Discovery Report is a paid API for AI agents from tenjin.blog, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-22).

Returns a paid blog article tracking which x402 paid endpoints appeared in discovery on a given day, including SDK-level analysis of payment protocol changes.

## Facts

- Endpoint: GET https://tenjin.blog/api/read/x402-watch/which-x402-paid-endpoints-appeared-in-discovery-today?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-22
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tenjin-x402-watch-daily-discovery-report-8941474a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ThBb9Rkxp6Q1NzPhfiOXC

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-x402-watch-daily-discovery-report-8941474a
```

Example prompt: Pull today's Tenjin x402 Watch article — the one about which x402 paid endpoints appeared in discovery today, including the One Step Chess Algorand burst and the EIP-3009 verifyingContract fix across the TypeScript and Go SDKs.

## When to prefer this

Choose this endpoint when you need structured, curated daily intelligence on x402 protocol discovery activity — specifically which new paid endpoints appeared, how SDK changes were distributed, and protocol-level fix breakdowns. Prefer it over generic web search when you want a paid, authoritative, analyst-style report rather than unstructured search results about x402.

## Known failure modes

- Article not found if slug or handle is incorrect (404)
- Payment not processed or insufficient funds returns 402
- Reserved slug 'latest' used with handle 'latest' rather than wallet address — not payable
- Slug resolves to unpublished or scheduled content not yet available
- Network timeout on slow connections

## How this service works

Which x402 paid endpoints appeared in discovery today? GoPlausible discovery showed a late-window burst of One Step Chess Algorand paid-move endpoints, while x402 TS and Go PRs split the EIP-3009 verifyingContract fix by SDK.

## Output

The full text content of the Tenjin blog article covering that day's x402 endpoint discovery activity, including details on which paid endpoints appeared in facilitator discovery, SDK-level PR analysis (TypeScript vs Go), EIP-3009 verifyingContract fix breakdown, and any notable bursts such as the One Step Chess Algorand paid-move endpoints.

## 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-x402-watch-daily-discovery-report-8941474a/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)
