# Tenjin Calldata #7 Article

> Tenjin Calldata #7 Article is a paid API for AI agents from tenjin.blog, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).

Retrieves the full text of Tenjin's 'Calldata #7' newsletter article covering front-end integrity for wallets and Glamsterdam testing updates.

## Facts

- Endpoint: GET https://tenjin.blog/api/read/tofu/calldata-7
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tenjin-calldata-7-article-47525d51
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_yJJmnTTeYlUlZlE8b7XQ1

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-calldata-7-article-47525d51
```

Example prompt: Pull up the Tenjin article called 'calldata-7' by the creator with handle 'tofu' — it covers front-end wallet integrity and Glamsterdam testing.

## When to prefer this

Choose this endpoint when you need to retrieve the specific 'calldata-7' article from Tenjin's 'tofu' creator covering wallet front-end integrity and Glamsterdam testing. It is appropriate when an agent needs authoritative, publisher-sourced Web3 security and EVM protocol content and is willing to pay a micro-fee per read. Prefer this over free search results when you need the full original article text rather than a summary or citation.

## Known failure modes

- Article not found if slug or handle is misspelled — returns 404 or error body
- Payment failure if USDC balance is insufficient for the $0.10 per-call fee
- Handle 'latest' used without a wallet address — reserved slug not payable in that form
- Creator has not published or article is unpublished — empty or error response
- Network timeout on the Tenjin blog infrastructure

## How this service works

calldata #7. Front-end integrity for wallets, plus Glamsterdam testing gets concrete.

## Output

Returns the full content of the 'calldata #7' article published by the creator 'tofu' on Tenjin, including text covering front-end integrity concerns for crypto wallets and the current state of Glamsterdam EVM upgrade testing. The response includes the article body and associated metadata.

## 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-calldata-7-article-47525d51/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)