# fastapi.online — Log Line Parser

> fastapi.online — Log Line Parser is a paid API for AI agents from api.fastapi.online, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-12).

Parses a raw log line string and extracts structured fields such as timestamp, severity, message, and other components

## Facts

- Endpoint: POST https://api.fastapi.online/log-line-parse?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/fastapi-online-log-line-parser-245051c4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_d7YAaJn2BiJtxm1V_0Qa-

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 fastapi-online-log-line-parser-245051c4 -d '<json body>'
```

Example prompt: Parse this log line for me and pull out the timestamp, severity, and message: '2024-01-15T12:34:56Z ERROR [auth-service] Failed to validate token for user 42: connection timeout'

## When to prefer this

Choose this endpoint when you need a quick, pay-per-call log line parser without signing up for a full observability platform. It is ideal for lightweight automation pipelines, one-off debugging tasks, or agent workflows that occasionally encounter log strings and need structured fields extracted cheaply at $0.001 per call.

## Known failure modes

- Empty or whitespace-only log_line returns validation error
- Log line exceeding 4000 characters is rejected
- Unrecognized or custom log formats may result in partial or inaccurate field extraction
- Payment failure or insufficient USDC balance blocks the request
- Malformed JSON request body returns HTTP 422

## How this service works

Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&amp;A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding &amp; crypto utilities, date/time calculators, geo/coordinate math, math &amp; finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.

## Output

A structured breakdown of the log line, extracting key fields such as timestamp, log level/severity, service or component name, process ID, and the human-readable message body — returned as a parsed JSON object.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "log_line": {
   "type": "string",
   "maxLength": 4000,
   "minLength": 1
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fastapi-online-log-line-parser-245051c4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.fastapi.online](https://www.zero.xyz/host/api.fastapi.online/llms.txt)