# JP Data API — AI Company Research Brief

> JP Data API — AI Company Research Brief is a paid API for AI agents from jp-data-api-production.up.railway.app, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-16).

Generates an AI-written company research brief combining official registry and disclosure data from Japan (EDINET), Korea (DART), and UK (Companies House) registries, with structured overview, recent filings, and risk notes.

## Facts

- Endpoint: GET https://jp-data-api-production.up.railway.app/research/company-brief
- Price: $0.25/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/jp-data-api-ai-company-research-brief-203cc2bc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_b6StfsVVkRI7p-jMxnrz_

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 jp-data-api-ai-company-research-brief-203cc2bc
```

Example prompt: Can you pull a full research brief on SoftBank Group — Japan — covering their recent filings, company overview, and any risk notes from the official registries?

## When to prefer this

Use this endpoint when you need a quick, AI-synthesized due diligence or KYB brief for a Japanese, Korean, or UK-registered company, especially when you want official registry data (EDINET, DART, Companies House) combined with a structured Claude-written narrative summary in one call. Prefer this over raw registry scraping when you need human-readable risk notes and filing summaries without manual data assembly.

## Known failure modes

- Company name not found in target country registry — returns error or empty result
- Invalid or unsupported country code — defaults to JP or returns validation error
- Registry data temporarily unavailable (EDINET/DART/Companies House API outage)
- Ambiguous company name matching multiple entities — may return wrong company
- Claude generation failure — upstream LLM error returns 500
- Payment not processed (x402) — returns 402 Payment Required before data is served

## How this service works

AI-generated company research brief (English): combines official registry and disclosure data for Japan (EDINET), Korea (DART), and UK (Companies House) with a structured Claude-written summary. One call returns overview, recent filings, and risk notes with provenance. Use for due diligence, KYB, investment research, supplier vetting.

## Output

A structured AI-written company research brief including: company overview, summary of recent official filings (from EDINET for Japan, DART for Korea, or Companies House for UK), risk notes, and data provenance. All sections are generated by Claude based on official disclosure data.

## 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",
     "required": [
      "name"
     ],
     "properties": {
      "name": {
       "type": "string",
       "description": "company name"
      },
      "country": {
       "type": "string",
       "description": "JP | KR | UK (default JP)"
      }
     }
    }
   },
   "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/jp-data-api-ai-company-research-brief-203cc2bc/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from jp-data-api-production.up.railway.app](https://www.zero.xyz/host/jp-data-api-production.up.railway.app/llms.txt)