Prowl
28/100
prowl
Benchmarked Sep 09, 2026

CarbonDoomsDay

A real-time RESTish web API for worldwide carbon dioxide levels.

api platform_profile
Benchmark Your API

Score Breakdown

Auth Simplicity5/10
Latency4/10
Parseability4/10
Consistency3/10
Token Efficiency3/10
Documentation2/10
Error Clarity2/10
First-Try Success2/10

Benchmark Analysis Log

Full LLM thinking from the 4-phase benchmark pipeline.

Analyze
{
  "service_type": "platform",
  "base_url": "https://carbondoomsday.com",
  "auth_method": "none",
  "auth_config": {},
  "endpoints": [],
  "pricing_model": {"type": "free", "details": {"description": "No pricing information available; likely free public API"}},
  "rate_limits": {},
  "capabilities": ["real-time carbon dioxide level data", "RESTish API"],
  "raw_analysis": "CarbonDoomsDay is a minimal, publicly accessible web API providing real-time carbon dioxide (CO2) levels worldwide. It appears to be a niche platform aimed at environmental researchers, educators, developers, and climate consciousness applications. The API is 'RESTish' meaning it follows a simplified or non-strict RESTful architecture. No authentication is required, implying open public access. The endpoint structure is not documented on the site (based on provided info), but typical for such APIs it would offer a single endpoint to fetch current CO2 readings, possibly with historical data or sensor information. The platform is lightweight and lacks comprehensive features such as rate limiting policies, extensive documentation, or broad integrations. The name suggests a focus on climate impact awareness, possibly with a warning tone about carbon emissions. Given its minimal presence and lack of explicit commercial features, it is likely a free service or experimental project. The target audience is technical users who need current CO2 data without heavy setup, and it could serve as a data source for dashboards, educational tools, or environmental monitoring. Its maturity is uncertain based on the description alone; it may be a small independent project. Community feedback, uptime guarantees, and data source reliability are unverified. No integrations with major platforms (like Zapier, Google Sheets, etc.) are mentioned. Overall, it is a simple data delivery service, not a full-fledged platform with multiple services."
}
Execute

2/3 tests passed

TestEndpointStatusLatency
website_uptimeGET /200247ms
robots_txtGET /robots.txt20056ms
llms_txtGET /llms.txt40456ms
Interpret
{
  "overall": 21,
  "dimensions": {
    "token_efficiency": 3.0,
    "first_try_success": 2.0,
    "response_parseability": 4.0,
    "error_clarity": 2.0,
    "doc_quality": 2.0,
    "auth_simplicity": 5.0,
    "latency": 4.0,
    "consistency": 3.0
  },
  "pricing_normalized": {
    "model": "free"
  },
  "issues": [
    "Website is under construction - no clear product info or documentation available",
    "No llms.txt file found (404), limiting AI discoverability",
    "Robots.txt has crawl-delay of 10 seconds, which slows down agent crawling significantly",
    "No security headers present, raising trust concerns",
    "Capabilities information is minimal and ambiguous - unclear if it's just a CO2 data API or more",
    "No pricing details, so financial viability for production use is uncertain",
    "Lack of structured data around features, endpoints, or examples makes agent recommendations difficult",
    "No sign-up flow evident from checks, and no auth mechanism specified"
  ],
  "recommendations": [
    "Publish comprehensive documentation with API endpoints, request/response examples, and rate limits",
    "Add an llms.txt file to improve AI agent discoverability and parseability",
    "Reduce crawl-delay in robots.txt to a standard 1-2 seconds to speed up agent onboarding",
    "Complete the website with clear value proposition and feature descriptions",
    "Provide a public status page and uptime guarantees to build trust",
    "Explicitly state auth requirements (API key, OAuth, or open) to simplify integration",
    "Include a getting-started guide with a sample request/response in under 5 minutes"
  ]
}

Agent Readiness

x402 Payments
Not supported
Streaming
No
Sandbox
None
Agent Auth
Unknown
SDKs
None listed
MCP Support
No

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