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okf_version: "0.2"
---

# LastDatabase Open Knowledge Bundle

This bundle provides a curated machine-readable knowledge layer for LastDatabase.

It describes the platform's principal data products, public catalog structure, verification tools, enrichment capabilities, developer interfaces, CRM integrations, and trust resources.

It does not replace the LastDatabase website, API documentation, sitemaps, or individual dataset pages.

## Platform

* [B2B Data](platform/b2b-data.md) - Business contact and company data discovery.
* [Consumer Email Data](platform/consumer-email-data.md) - Consumer email data as a distinct LastDatabase data mode.
* [Phone Data](platform/phone-data.md) - Phone-number data discovery and related resources.
* [Mixed Leads](platform/mixed-leads.md) - Lead datasets that combine supported contact-data fields.
* [Hot Leads](platform/hot-leads.md) - LastDatabase Hot Leads search as a distinct lead-search mode.
* [WhatsApp Data](platform/whatsapp-data.md) - Public WhatsApp-oriented data discovery.
* [Telegram Data](platform/telegram-data.md) - Public Telegram-oriented data discovery.

## Catalog

* [Lead Packages](catalog/lead-packages.md) - Commercial lead-package organization and discovery.
* [Countries](catalog/countries.md) - Geographic database taxonomy.
* [Industries](catalog/industries.md) - Industry database taxonomy.
* [Categories](catalog/categories.md) - Category database taxonomy.
* [Technologies](catalog/technologies.md) - Technology-based data discovery.
* [Job Titles](catalog/job-titles.md) - Professional job-title taxonomy.
* [Programmatic Data Pages](catalog/programmatic-data-pages.md) - Canonical public data pages for specific dataset and audience topics.

## Verification

* [Verification Platform](verification/verification-platform.md) - Relationship between supported LastDatabase verification capabilities.
* [JIT Engine](verification/jit-engine.md) - Just-In-Time email verification architecture.
* [Email Verifier](verification/email-verifier.md) - Public JIT Email Verifier.
* [Phone Verifier](verification/phone-verifier.md) - Public phone-number verification tool.

## Enrichment

* [Data Enrichment](enrichment/data-enrichment.md) - LastDatabase data-enrichment capability.

## Developers

* [API](developers/api.md) - LastDatabase developer API and documentation.
* [MCP Server](developers/mcp-server.md) - Model Context Protocol integration for authorized AI clients.

## Integrations

* [HubSpot](integrations/hubspot.md) - LastDatabase HubSpot CRM integration.
* [Salesforce](integrations/salesforce.md) - LastDatabase Salesforce integration.
* [Zoho CRM](integrations/zoho-crm.md) - LastDatabase Zoho CRM integration.

## Trust and Methodology

* [Research](trust/research.md) - LastDatabase research resources.
* [Methodology](trust/methodology.md) - Data and verification methodology.
* [Data Quality](trust/data-quality.md) - Data-quality practices and interpretation.
* [Data Sources](trust/data-sources.md) - Information about data sourcing.
* [Privacy and Responsible Use](trust/privacy-responsible-use.md) - Privacy and responsible-use guidance.

## Additional Machine Discovery

* [llms.txt](https://lastdatabase.com/llms.txt)
* [Sitemap Index](https://lastdatabase.com/sitemap-index.xml)
* [robots.txt](https://lastdatabase.com/robots.txt)