# FullEnrich Help Center

> Hey {{first\_name|fallback:"there"}}, need some help?

## How FullEnrich works

- [How We Verify Emails](https://help.fullenrich.com/en/articles/9541151-how-we-verify-emails.md)
- [Email status explained: what "Valid", "High probability", "Catch-all", and "Invalid" mean](https://help.fullenrich.com/en/articles/9377499-email-status-explained-what-valid-high-probability-catch-all-and-invalid-mean.md)
- [Should I send emails to catch-all addresses?](https://help.fullenrich.com/en/articles/9377538-should-i-send-emails-to-catch-all-addresses.md)
- [Will I be charged for duplicate contacts?](https://help.fullenrich.com/en/articles/9498179-will-i-be-charged-for-duplicate-contacts.md)
- [Data Provided by FullEnrich](https://help.fullenrich.com/en/articles/9688091-data-provided-by-fullenrich.md): Understand what person, professional, and company data FullEnrich provides, depending on the information you start with.
- [How Long Does an Enrichment of a Contact Take?](https://help.fullenrich.com/en/articles/10234964-how-long-does-an-enrichment-of-a-contact-take.md)
- [How We Verify Phone Numbers](https://help.fullenrich.com/en/articles/10329915-how-we-verify-phone-numbers.md)
- [Will paused lists, which were stopped due to insufficient credits, automatically resume when I buy new credits?](https://help.fullenrich.com/en/articles/10792200-will-paused-lists-which-were-stopped-due-to-insufficient-credits-automatically-resume-when-i-buy-new-credits.md)
- [Introducing FullEnrich](https://help.fullenrich.com/en/articles/10791972-introducing-fullenrich.md)
- [How to Activate Personal Email Enrichment](https://help.fullenrich.com/en/articles/12557237-how-to-activate-personal-email-enrichment.md)
- [How to Enrich Contacts in FullEnrich: A Step-by-Step Guide](https://help.fullenrich.com/en/articles/12785389-how-to-enrich-contacts-in-fullenrich-a-step-by-step-guide.md): Learn how to enrich contacts in FullEnrich - manually, in bulk, through the API, or using no-code integrations like Zapier and Make.
- [Reverse Email Lookup](https://help.fullenrich.com/en/articles/13251365-reverse-email-lookup.md): Understand how Reverse Email Lookup works in FullEnrich, including inputs, outputs, credit usage, and important notes.
- [How to Build and Enrich Prospect Lists With FullEnrich Search](https://help.fullenrich.com/en/articles/13655121-how-to-build-and-enrich-prospect-lists-with-fullenrich-search.md): Learn how to search, filter, enrich, and export prospect lists using FullEnrich Search, all in one place.
- [FullEnrich Search - Filter companies by the technologies they use](https://help.fullenrich.com/en/articles/16780767-fullenrich-search-filter-companies-by-the-technologies-they-use.md): Find companies based on the software and tools they run - then find the right people inside them.

## Troubleshooting

- [The Downloaded File seems unusable](https://help.fullenrich.com/en/articles/9984322-the-downloaded-file-seems-unusable.md)
- [I have created an account using Google and I want to switch to email & password](https://help.fullenrich.com/en/articles/10792695-i-have-created-an-account-using-google-and-i-want-to-switch-to-email-password.md)
- [I cannot find the enriched data in my CSV \(email / phone\)](https://help.fullenrich.com/en/articles/10792716-i-cannot-find-the-enriched-data-in-my-csv-email-phone.md)
- [Fix "We couldn’t secure your connection and create your account."](https://help.fullenrich.com/en/articles/10846543-fix-we-couldn-t-secure-your-connection-and-create-your-account.md)

## Credits & Billing

- [Where can I find my invoices?](https://help.fullenrich.com/en/articles/9377676-where-can-i-find-my-invoices.md)
- [Can I Cancel My Subscription Whenever I Want?](https://help.fullenrich.com/en/articles/9688274-can-i-cancel-my-subscription-whenever-i-want.md)
- [How Do Credits Work?](https://help.fullenrich.com/en/articles/9736469-how-do-credits-work.md): Learn how credits work in FullEnrich, including how they’re granted, when they expire, how platform access is managed, and what happens if your subscription ends.
- [I Didn't Receive My 50 Free Credits](https://help.fullenrich.com/en/articles/9759551-i-didn-t-receive-my-50-free-credits.md): Why you didn't receive your 50 credits on signup.
- [How to change my billing & credit card details](https://help.fullenrich.com/en/articles/11099107-how-to-change-my-billing-credit-card-details.md)
- [Monitor Credit Usage and Set Limits per Member](https://help.fullenrich.com/en/articles/12257832-monitor-credit-usage-and-set-limits-per-member.md): Guide to managing FullEnrich workspace credits, setting per-member limits, tracking usage, and following best practices for fair allocation.

## Miscellaneous

- [Do you have a referral / affiliate program?](https://help.fullenrich.com/en/articles/10670370-do-you-have-a-referral-affiliate-program.md)
- [I want to speak with someone on the sales team.](https://help.fullenrich.com/en/articles/10768979-i-want-to-speak-with-someone-on-the-sales-team.md)

## CRM Integration

- [Enrich Your HubSpot Contact Lists Using FullEnrich](https://help.fullenrich.com/en/articles/15819147-enrich-your-hubspot-contact-lists-using-fullenrich.md): Fill in missing emails, phone numbers, and profile data across your existing HubSpot contact lists, directly from FullEnrich, with no CSV exports or re-imports.
- [Our HubSpot Roadmap](https://help.fullenrich.com/en/articles/12034804-our-hubspot-roadmap.md): From pushing contacts today to full native integration tomorrow. See what's live & what's coming.
- [Getting Started with HubSpot Integration](https://help.fullenrich.com/en/articles/12035296-getting-started-with-hubspot-integration.md): Step-by-step guide to connect FullEnrich with HubSpot: from initial setup and field mapping to pushing enriched contacts.
- [Your 1st HubSpot Push](https://help.fullenrich.com/en/articles/12086823-your-1st-hubspot-push.md): Step-by-step guide to pushing contacts to HubSpot without creating duplicates.
- [Setup guide for FullEnrich's HubSpot application \(beta\)](https://help.fullenrich.com/en/articles/16235002-setup-guide-for-fullenrich-s-hubspot-application-beta.md)

## AI Agents & MCP

- [MCP Server](https://help.fullenrich.com/en/articles/14190120-mcp-server.md): Connect FullEnrich to your favorite AI assistant and prospect without leaving the chat. Search for contacts, enrich them with verified emails and phone numbers, and export your results, all from a ...
- [Connect FullEnrich to Manus](https://help.fullenrich.com/en/articles/14595918-connect-fullenrich-to-manus.md): Install the official FullEnrich connector in Manus and use it from a new task.
- [Connect FullEnrich MCP to ChatGPT](https://help.fullenrich.com/en/articles/14595914-connect-fullenrich-mcp-to-chatgpt.md): A step-by-step guide to connect FullEnrich to ChatGPT. No coding required.
- [Connect FullEnrich MCP to Claude](https://help.fullenrich.com/en/articles/14595910-connect-fullenrich-mcp-to-claude.md): Step-by-step guide to adding FullEnrich MCP to Claude via Custom MCP Servers so your AI agent can search, enrich, and export contacts autonomously.
- [Connect MCP clients with a Personal Access Token](https://help.fullenrich.com/en/articles/15025057-connect-mcp-clients-with-a-personal-access-token.md): Connect to FullEnrich MCP from your own code. No Claude, ChatGPT, or Manus required.