# Tenjin – Ethereum R&D Daily: EIP-8037 Spill Tests & GLOAS Root Checks

> Tenjin – Ethereum R&D Daily: EIP-8037 Spill Tests & GLOAS Root Checks 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).

Returns the paid Tenjin article covering EIP-8037 spill-refund fixture cases added to execution-specs and GLOAS follow-ups on skipped-slot payload rewards and proposer preference roots.

## Facts

- Endpoint: GET https://tenjin.blog/api/read/eth-rd/eth-r-d-daily-eip-8037-spill-tests-gloas-root-checks
- 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-ethereum-r-d-daily-eip-8037-spill-tests-gloas-root-checks-c10cc9c5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_3aMmXvroSyorwx2sfajih

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-ethereum-r-d-daily-eip-8037-spill-tests-gloas-root-checks-c10cc9c5
```

Example prompt: Fetch me the Tenjin article on the EIP-8037 spill-refund fixture cases — the one covering the 24 new execution-specs test cases from the Nethermind/EELS differential findings and the GLOAS skipped-slot root checks.

## When to prefer this

Use this endpoint when you specifically need to retrieve this particular Tenjin article about EIP-8037 spill-refund fixtures and GLOAS root checks. It is the correct endpoint when the user is an Ethereum protocol researcher, core developer, or consensus engineer who wants to read this specific paid daily briefing and is willing to pay the $0.10 USDC micropayment via x402.

## Known failure modes

- Payment not completed or insufficient USDC — 402 Payment Required returned
- Invalid or unrecognized handle 'eth-rd' — 404 Not Found
- Invalid or unrecognized slug — 404 Not Found
- Article unpublished or removed — 404 or 410 Gone
- Network timeout on Tenjin blog server — 503 or connection error

## How this service works

execution-specs #3158 adds 24 EIP-8037 spill-refund fixture cases after Nethermind/EELS differentials found consensus-relevant gaps, while GLOAS follow-ups tighten skipped-slot payload rewards and proposer preference roots.

## Output

The full text of the paid Tenjin article, delivered after the $0.10 USDC x402 micropayment, covering: the 24 EIP-8037 spill-refund test fixture cases added to execution-specs following Nethermind/EELS consensus differentials, GLOAS skipped-slot payload reward analysis, and proposer preference root check details.

## 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-ethereum-r-d-daily-eip-8037-spill-tests-gloas-root-checks-c10cc9c5/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)