# PredictLeads Similar Companies Finder

> PredictLeads Similar Companies Finder is a paid API for AI agents from x402.orthogonal.com, paid per call via x402, $0.04/call, status unknown (last checked 2026-09-14).

Returns a list of companies similar to a given company based on its domain

## Facts

- Endpoint: GET https://x402.orthogonal.com/predictleads/v3/companies/stripe.com/similar_companies
- Price: $0.04/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/predictleads-similar-companies-finder-4fc57a2a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_g7JHy-K_VASHvGqMJVtNb

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 predictleads-similar-companies-finder-4fc57a2a
```

Example prompt: Can you find me companies similar to stripe.com using PredictLeads, returning up to 10 results?

## When to prefer this

Use this endpoint when you need to discover companies that are operationally or categorically similar to a known company, identified by domain. It is ideal for competitive intelligence, sales prospecting, investor research, and partnership discovery. Prefer this over general web search when you want structured, curated company similarity data from PredictLeads rather than unstructured search results.

## Known failure modes

- Unknown or unrecognized company domain returns empty results or 404
- Invalid domain format causes a validation error
- Limit parameter out of acceptable range returns an error
- Rate limiting or payment issues result in 402 or 429 responses
- Company exists but has no similar company data available returns empty list

## How this service works

Find companies similar to a given company

## Output

A list of companies that are similar to the specified company domain, likely including company names, domains, and descriptive attributes that explain the similarity, sourced from the PredictLeads v3 API.

## 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": {
      "limit": {
       "type": "integer"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/predictleads-similar-companies-finder-4fc57a2a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.orthogonal.com](https://www.zero.xyz/host/x402.orthogonal.com/llms.txt)