# ExactBuyer Docs

## 1.0.0

- [Authentication](https://docs.exactbuyer.com/master/authentication.md): ExactBuyer API's allow you to build powerful audience workflows to power every part of your business.
- [Rate Limiting](https://docs.exactbuyer.com/master/rate-limiting.md)
- [Errors](https://docs.exactbuyer.com/master/errors.md): What HTTP codes do we use for error identification?
- [OpenAPI Specification](https://docs.exactbuyer.com/master/openapi-specification.md): The OpenAPI specification for ExactBuyer APIs.
- [Enrichment](https://docs.exactbuyer.com/contact-enrichment/enrichment.md): The Enrichment API lets you look up person and company data based on an email or social profile. For example, you could retrieve a person’s name, location and social handles from an email.
- [Bulk Enrichment](https://docs.exactbuyer.com/contact-enrichment/bulk-enrichment-api.md): The Bulk enrichment API lets you look up multiple people at once. You can enrich up to 1000 profiles in a single API call.
- [Company Enrichment](https://docs.exactbuyer.com/company-enrichment-api.md): The Company Enrichment API lets you look up company data based on the company's website.
- [Contact Search](https://docs.exactbuyer.com/prospector-api/contact-search.md): The Prospector Endpoint enables bulk retrieval of contacts that match user-defined filters.
- [Similar Contacts](https://docs.exactbuyer.com/recommendations/enrichment.md): The Similar Contacts API lets you fetch lookalike contacts using the same parameters as the Enrichment API.
- [Similar Companies](https://docs.exactbuyer.com/recommendations/similar-companies.md): The Similar Companies API allows you to fetch lookalike companies given a company domain.
- [Email Verification](https://docs.exactbuyer.com/email-verification.md): The Email Verification API allows you to verify an email.
- [Frequently Asked Questions](https://docs.exactbuyer.com/support/frequently-asked-questions.md): Get answers to our most frequently asked questions.