Fiber AI API API Tools | xpay✦ Hub | xpay✦ Hub

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Fiber AI API

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17 tools

$0.02 – $3.00/call

Reach anyone on the planet with verified contacts. Fiber AI delivers the most accurate contact data, period.

fiber_search_companies_from_text

Takes free-form text (e.g., 'Series A startups in USA with 50–200 employees') and returns a list of matching companies. The endpoint interprets natural language queries and applies structured filters such as industries, funding stages, headcount ranges, and locations to identify relevant companies.

$1.08/call

fiber_find_person_by_email

Do a reverse lookup: given an email address, find someone's LinkedIn profile and personal details. Note: if you also have the person's name, company, etc., you'll get better results with the Kitchen Sink endpoint, where you can pass all the information you have.

$0.08/call

fiber_kitchen_sink_company_lookup

Search for a company using a variety of parameters such as LinkedIn slug, LinkedIn URL, name, etc. Returns complete company data if found.

$0.02/call

fiber_fetch_linkedin_profile_posts

Fetches recent posts from a LinkedIn profile. Returns a paginated feed of posts with optional cursor for pagination. Each page returns up to 50 posts.

$0.08/call

fiber_fetch_linkedin_post_comments

Fetches paginated comments for a LinkedIn post. Each page contains up to 10 comments.

$0.08/call

fiber_investor_search

Search for investors with flexible filtering capabilities

$3.00/call

fiber_validate_a_single_email

Checks if a given email is likely to bounce using a waterfall of strategies. Works for catch-all email addresses, which are increasingly common yet hard for other APIs to validate.

$0.04/call

fiber_company_search

Search for companies using filters

$0.02/call

fiber_kitchen_sink_person_lookup

Search for a person using a variety of parameters such as LinkedIn slug, LinkedIn URL, or their current company information. Returns profile data for the person if found.

$0.02/call

fiber_live_fetch_linkedin_company

Returns an enriched company with details for a given LinkedIn company identifier

$0.08/call

fiber_convert_text_into_company_search_filters

Takes free-form text (e.g., 'Series A startups in USA with 50–200 employees') and converts it into a structured set of filters for company search. This endpoint helps transform natural language queries into standardized search parameters such as industries, funding stages, headcount ranges, locations, and more.

$0.08/call

fiber_search_profiles_from_text

Takes free-form text (e.g., 'Software engineers in US with 5+ years of experience') and returns a list of matching profiles. The endpoint interprets natural language queries and applies structured filters such as job titles, seniority, skills, locations, past jobs, education, and languages to identify relevant people.

$1.08/call

fiber_convert_text_into_profile_search_filters

Takes free-form text (e.g., 'Software engineers in US with 5+ years of experience') and converts it into a structured set of filters for profile search. This endpoint helps transform natural language queries into standardized search parameters such as job titles, skills, seniority, locations, past experiences, education, languages, and more.

$0.08/call

fiber_people_search

Search for people using filters

$0.02/call

fiber_live_fetch_linkedin_profile

Returns an enriched profile with details for a given LinkedIn profile identifier

$0.08/call

fiber_job_postings_search

Search for job postings with flexible filtering capabilities

$1.00/call

fiber_fetch_linkedin_post_reactions

Fetches paginated reactions of a specific type for a LinkedIn post. Each page contains up to 10 reactions.

$0.08/call

Connect Fiber AI API tools

Cursor

Claude Code

Claude Desktop

Windsurf

VS Code

Cline

Roo Code

ChatGPT

Gemini CLI

Amazon Q

Goose

Augment

n8n

API / cURL

AI SDK

TypeScript SDK

Add to ~/.cursor/mcp.json

{
  "mcpServers": {
    "fiber": {
      "url": "https://fiber.mcp.xpay.sh/mcp?key=YOUR_API_KEY"
    }
  }
}

Or connect all tools

Access all tools (including Fiber AI API) through a single MCP connection.

https://mcp.xpay.sh/mcp?key=***

{
  "mcpServers": {
    "xpay": {
      "url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
    }
  }
}

Agent Discovery

Machine-readable catalogs for LLM agents and automation.

llms.txt — Human-readable tool catalog

curl https://hub.xpay.sh/tools/llms.txt

agents.txt — Structured JSON for agents

curl https://hub.xpay.sh/tools/agents.txt

skill.md — Claude Code skill

curl https://hub.xpay.sh/tools/skill.md

Pricing

Pay per tool call. No subscriptions.

17 Fiber AI API tools available

Marketplace for AI Capabilities. Run agents, tools & prompts with pay-per-use micropayments.

Product

Explore Collections Bundles

Resources

Documentation xpay.sh GitHub

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