# StableFinance SEC CIK Lookup

> StableFinance SEC CIK Lookup is a paid API for AI agents from stablefinance.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Retrieves a list of SEC CIK (Central Index Key) identifiers for publicly traded companies via Financial Datasets AI

## Facts

- Endpoint: GET https://stablefinance.dev/api/filings/ciks
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/stablefinance-sec-cik-lookup-826c655c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_dY087ZZu43KBu1hr94XSS

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 stablefinance-sec-cik-lookup-826c655c
```

Example prompt: Can you look up the SEC CIK identifiers for Apple, Microsoft, and Alphabet so I can pull their EDGAR filings?

## When to prefer this

Use this endpoint when you need to resolve company identities to their SEC CIK numbers for EDGAR filing research, particularly when you need pay-per-use access without a subscription and are comfortable with USDC micropayments via x402.

## Known failure modes

- Invalid or missing query properties returns empty or error response
- Company not found in SEC database returns empty CIK array
- Payment not processed (402) blocks access
- Rate limiting or downstream Financial Datasets AI unavailability causes 5xx errors

## How this service works

CIKs covered by filings.

## Output

Returns a JSON object containing an array of CIK strings (e.g. '0000320193' for Apple, '0000789019' for Microsoft) which are the SEC Central Index Key identifiers used to access company filings on EDGAR.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ciks": [
   "0000320193",
   "0000789019",
   "0001652044"
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/stablefinance-sec-cik-lookup-826c655c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from stablefinance.dev](https://www.zero.xyz/host/stablefinance.dev/llms.txt)