# HTTP Status Code Explainer

> HTTP Status Code Explainer is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns the standard reason phrase, meaning, and recommended client behavior for any HTTP status code or code class (e.g. 4xx)

## Facts

- Endpoint: GET https://intel.rallylive.ca/data/http-status
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/http-status-code-explainer-77809867
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Wir8TAsxTMqNluXoF2Qhg

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 http-status-code-explainer-77809867
```

Example prompt: What does HTTP status code 429 mean, and what should my client do when it receives it?

## When to prefer this

Use this endpoint when an agent or developer needs a quick, authoritative lookup of what an HTTP status code means and what action to take — especially useful for debugging API responses, building error-handling logic, or explaining HTTP semantics to non-technical users. Prefer this over a general web search when you need structured, consistent output rather than a prose article.

## Known failure modes

- Unknown or non-standard status code provided — may return no result or an error
- Invalid input format (e.g. non-numeric string that isn't a valid class like '4xx') — likely returns a 400 or empty response
- Network or server error from the intel.rallylive.ca host — returns 5xx

## How this service works

HTTP status code explained: the standard reason phrase, what it means and what a client should do, for every common code, or the full list for a class like '4xx'. $0.01 per lookup.

## Output

Returns the standard IETF reason phrase for the given HTTP status code, a plain-English explanation of what the code means, and guidance on what a client should do in response. For class lookups like '4xx', returns the full list of codes in that class with their 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"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "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/http-status-code-explainer-77809867/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from intel.rallylive.ca](https://www.zero.xyz/host/intel.rallylive.ca/llms.txt)