# Datasigma

> Datasigma is a B2B go-to-market intelligence platform. Search and enrich 100M+ business contacts and companies — filter by company domain, job title, function, and seniority level, and retrieve verified emails and phone numbers via web dashboard, REST API, or bulk exports. Pricing is credit-based: 1 credit per contact returned.

Key facts:
- Data sourcing: contacts are sourced from publicly available web pages, and every contact comes with a citation to its public source.
- Unique coverage: around 50% of Datasigma contacts are not found on LinkedIn.
- Contact Search API: POST https://api.datasigma.io/v1/contacts/search/ — search contacts at a company by domain, filtered by title, function, or seniority.
- Contact Enrich API: POST https://api.datasigma.io/v1/contacts/enrich/ — enrich a single contact by email address, or by domain + full name.
- Authentication: API key sent in the Authorization header (Bearer prefix optional).
- Credits: 1 credit is deducted per contact returned; unmatched enrich lookups are free.
- Dashboard for interactive search: https://app.datasigma.io

## Docs

- [API Documentation](https://datasigma.io/docs/api/): interactive reference for the Contact Search and Enrich endpoints
- [OpenAPI Specification](https://datasigma.io/static/openapi/contact-search.json): machine-readable OpenAPI 3.1 spec
- [Delivery Methods](https://datasigma.io/delivery-methods/): API, CSV export, and other ways to receive data

## Product

- [Homepage](https://datasigma.io/): platform overview
- [Pricing](https://datasigma.io/pricing/): plans and credit pricing
- [Data](https://datasigma.io/data/): data coverage and quality
- [Book a Demo](https://datasigma.io/demo/)

## Company

- [About](https://datasigma.io/about/)
- [Contact Us](https://datasigma.io/contact-us/)
- [FAQ](https://datasigma.io/faq/)

## Optional

- [Privacy Policy](https://datasigma.io/privacy-policy/)
- [Terms of Service](https://datasigma.io/terms-of-service/)
- [Opt Out](https://datasigma.io/opt-out/)
- [Security](https://datasigma.io/security/)