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About

Discover, prospect, and track the world’s fastest-growing companies and investors. Automatically enrich your leads and accounts with company data from Mattermark. 80+ fields per company including geography, industry, revenue, personnel, funding, and employee growth. Identify the right contact based on title, function, and seniority. Get smarter about outreach by monitoring changes in team size, web traffic, media mentions and more. We leverage machine learning, web crawlers, primary sources, and natural language processing to extract data from millions of news articles and websites daily. Our team of in-house analysts verify the data every day - so you can close deals with conviction. The world’s business information in one place, filterable and sortable. Mattermark makes it faster and easier to source the best deals. Search company and investor profiles for deep insights into their growth and performance over time. Break the cycle of doing business without good data.

About

ProspectAPIs is a hosted REST API and Model Context Protocol (MCP) server for sales teams, outbound teams, founders and developers building prospecting workflows or AI agents. It provides searchable company funding rounds with announcement-source URLs, filters for round, date, amount, company, investor and country, plus signed webhook watchlists for new matching rounds. Its prospect-research endpoint returns a sourced brief about a company or person for account research, call preparation or outreach. The service also includes email verification and related email-data endpoints. MCP clients can call the API tools using the same key and prepaid balance. Funding records cost $0.02 each, completed research briefs $0.15, and customers start with a one-time $1 balance; pricing is prepaid per result rather than per seat or subscription.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Businesses looking to build prospect lists and enrich their leads and accounts

Audience

Sales teams, founders doing outbound and developers building AI sales agents

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$49 per user per month
Free Version Not Supported
Free Trial Supported

Pricing

$0.001/address
Email list cleanups cost $0.001/address. Email verification costs $0.004 per valid or invalid result; catch-all and unknown results are free. Funding records and watchlist deliveries cost $0.02 each, and completed research briefs cost $0.15 each. Usage is prepaid, with no subscription or seat-based pricing. New accounts receive a one-time $1 balance, with no card required; no monthly free allowance is offered.
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Mattermark
Founded: 2012
United States
mattermark.com

Company Information

ProspectAPIs
United States
prospectapis.com

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Lemprep

Lemprep

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Categories

B2B Data Supported
Data Enrichment Supported
Lead Management Supported
Lead Scoring Supported
Sales Intelligence Supported
Sales Prospecting Supported

Categories

Sales Intelligence Supported

Lead Management Features

Activity Tracking Not Supported
Campaign Management Supported
Lead Capture Not Supported
Lead Distribution Not Supported
Lead Nurturing Supported
Lead Scoring Supported
Lead Segmentation Not Supported
Pipeline Management Supported
Prospecting Tools Not Supported
Source Tracking Not Supported

Integrations

Abacum Supported
Causal Supported
ChatGPT Not Supported
Claude Not Supported
Claude Code Not Supported
Claude Desktop Not Supported
Codex CLI Not Supported
Cursor Not Supported
Google Chrome Supported
Google Sheets Supported
Lyftrondata Supported
Microsoft Excel Supported
Model Context Protocol (MCP) Not Supported
Salesforce Supported
Stackby Supported
Unified.to Supported
interviewing.io Supported

Integrations

Abacum Not Supported
Causal Not Supported
ChatGPT Supported
Claude Supported
Claude Code Supported
Claude Desktop Supported
Codex CLI Supported
Cursor Supported
Google Chrome Not Supported
Google Sheets Not Supported
Lyftrondata Not Supported
Microsoft Excel Not Supported
Model Context Protocol (MCP) Supported
Salesforce Not Supported
Stackby Not Supported
Unified.to Not Supported
interviewing.io Not Supported
Claim Mattermark and update features and information
Claim Mattermark and update features and information
Claim ProspectAPIs and update features and information
Claim ProspectAPIs and update features and information