# Retention.com Enrichment

> Enrichment APIs — turn an email, HEM, IP, or LinkedIn profile into emails, profiles, and other attributes.

- [Retention.com Data APIs](https://retention.mintlify.app/index.md): Powerful APIs to supercharge your existing stack, that you can rely on and scale with.
- [Enrichment APIs](https://retention.mintlify.app/reference/introduction.md): The full set of identity-resolution and enrichment endpoints.
- [Universal Identity](https://retention.mintlify.app/api-reference/identity/universal.md): Every identity signal on a person in one call: work and personal emails, device IDs, and hashed emails. Accepts hashed or plaintext email and IP address inputs.
- [Personal Identity](https://retention.mintlify.app/api-reference/identity/personal-identity-b2c.md): B2C consumer identity: personal hashed emails, device IDs, location, and last-seen activity. Accepts hashed or plaintext email and IP address inputs.
- [Full Business Enrichment](https://retention.mintlify.app/api-reference/identity/professional-identity-b2b.md): One call returns everything for a contact: work profile, device IDs, hashed emails. Send a hashed or plaintext email, an IP address, or a batch of up to 1,000 values.
- [Email → Mobile Device IDs](https://retention.mintlify.app/api-reference/hem/hem-to-maid.md): Find the mobile advertising IDs linked to an email. Accepts a hashed or plaintext email.
- [Email → LinkedIn](https://retention.mintlify.app/api-reference/hem/hem-to-linkedin.md): Find the LinkedIn profile that belongs to an email. Accepts a hashed or plaintext email.
- [Email → Best LinkedIn](https://retention.mintlify.app/api-reference/hem/hem-to-best-linkedin.md): Return the most reliable and active LinkedIn profile tied to an email. Accepts a hashed or plaintext email.
- [Email → Business Profile](https://retention.mintlify.app/api-reference/hem/hem-to-business-profile.md): Enrich an email into a full work profile: name, title, company, seniority. Accepts a hashed or plaintext email.
- [IP → Hashed Email](https://retention.mintlify.app/api-reference/ip/ip-to-hem.md): Resolve an IP (and browser details) into the visitor's hashed email.
- [IP → Mobile Device IDs](https://retention.mintlify.app/api-reference/ip/ip-to-maid.md): Find the mobile advertising IDs seen at an IP address.
- [IP → Company](https://retention.mintlify.app/api-reference/ip/ip-to-company.md): Identify the company or organization behind an IP address.
- [IP → Business Profile](https://retention.mintlify.app/api-reference/ip/ip-to-business-profile.md): Resolve an IP (and browser details) straight to one work profile: name, title, company, and seniority. You're only charged when a profile is returned.
- [LinkedIn → Hashed Emails](https://retention.mintlify.app/api-reference/linkedin/linkedin-to-hashed-emails.md): Get hashed email variants for a profile, ready for ad-platform matching.
- [LinkedIn → Mobile Phone](https://retention.mintlify.app/api-reference/linkedin/linkedin-to-mobile-phone.md): Find the mobile phone number associated with a profile.
- [LinkedIn → Business Profile](https://retention.mintlify.app/api-reference/linkedin/linkedin-to-business-profile.md): Enrich a profile into a full work profile: name, title, company, size.
- [LinkedIn → Business Email](https://retention.mintlify.app/api-reference/linkedin/linkedin-to-business-email.md): Get the verified work email address for a LinkedIn profile.
- [Find LinkedIn Profile](https://retention.mintlify.app/api-reference/other/linkedin-slug-search.md): Look up a LinkedIn profile by name and company website.
- [Work Email → Personal Email](https://retention.mintlify.app/api-reference/other/business-email-to-personal-hem.md): Match a work email to a hashed personal email.
- [Email Activity Check](https://retention.mintlify.app/api-reference/other/email-to-activity.md): See when an email was last active online. Send one email address per request, or an array of up to 1,000 addresses in a single request.
- [Credits](https://retention.mintlify.app/api-reference/other/credits.md): Returns the account's remaining API credit balance.

## OpenAPI Specs

- [openapi](/openapi.json)

## Optional

- [Dashboard](https://ui.api.rb2b.com/dashboard)


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