# Fiber AI Multi-Source Search

> Fiber AI Multi-Source Search is a paid API for AI agents from Fiber AI API at mpp.orthogonal.com, paid per call via MPP, $0.2/call, status unknown (last checked 2026-10-13).

Searches across multiple data sources using natural language to find contacts, companies, and enrichment data

## Facts

- Endpoint: POST https://mpp.orthogonal.com/fiber/v1/multi-source/search?utm_source=zero.xyz
- Price: $0.2/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Provider: Fiber AI API
- Docs: https://api.fiber.ai
- Website: https://api.fiber.ai
- Tags: contacts, email, phone, enrichment, data
- Canonical page: https://www.zero.xyz/c/fiber-ai-api-fiber-ai-multi-source-search-67a3ee24
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap__U3FBOguvDx5mMDLxjPlT

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 fiber-ai-api-fiber-ai-multi-source-search-67a3ee24 -d '<json body>'
```

Example prompt: Search Fiber AI's multi-source database for 'senior software engineers in San Francisco at Series B startups' and give me their verified contact info including emails and phone numbers.

## When to prefer this

Choose this endpoint when you want to search across multiple contact and enrichment data sources simultaneously using a single natural language query, without needing to specify structured filter parameters. Prefer it over single-source or structured-filter endpoints when you want broad coverage across Fiber's data sources in one call.

## Known failure modes

- Invalid or empty query string returns an error
- No results found for overly niche or ambiguous queries
- Rate limiting or quota exceeded if too many calls are made
- Authentication failure if API key is missing or invalid
- Payment not processed resulting in 402 error

## How this service works

Multi-source AI search. Searches across multiple data sources using natural language. Pricing coming soon from Fiber.

## Output

Returns a list of matched records from multiple data sources, including contact details such as verified email addresses, phone numbers, LinkedIn profiles, and company information relevant to the natural language query.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fiber-ai-api-fiber-ai-multi-source-search-67a3ee24/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mpp.orthogonal.com](https://www.zero.xyz/host/mpp.orthogonal.com/llms.txt)