# Demandbase B2B API

**Canonical:** https://apis.io/apis/demandbase/demandbase-b2b-api/  
**Provider:** Demandbase — https://apis.io/providers/demandbase/  
**Base URL:** https://uapi.demandbase.com/data/b2b/v1  
**Documentation:** https://developer.demandbase.com/docs/b2b-overview

Demandbase B2B API is one of 10 APIs that [Demandbase](https://apis.io/providers/demandbase/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, authentication docs, and rate-limit docs.

Company and contact intelligence: search and fetch companies and contacts, company news, logos, installed technologies and corporate hierarchy; synchronous and bulk matching; asynchronous bulk data retrieval; and change subscriptions with webhook alerts for company, company-news, family-tree and person records. 22 operations.

## Machine-readable artifacts (11)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/demandbase/refs/heads/main/openapi/demandbase-b2b-openapi.yml
- **Documentation** — https://developer.demandbase.com/docs/b2b-overview
- **APIReference** — https://developer.demandbase.com/reference/companysearch_1
- **GettingStarted** — https://developer.demandbase.com/docs/b2b-make-your-first-request
- **Authentication** — https://developer.demandbase.com/docs/b2b-authentication
- **RateLimits** — https://developer.demandbase.com/docs/b2b-rate-limits
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/demandbase/refs/heads/main/asyncapi/demandbase-webhooks.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/demandbase/refs/heads/main/overlays/demandbase-b2b-overlay.yaml
- **BestPractices** — https://developer.demandbase.com/docs/b2b-best-practices
- **FAQ** — https://developer.demandbase.com/docs/faq
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/demandbase/refs/heads/main/apis.yml

## Other Demandbase APIs (9)

- [Demandbase Data Export API](https://apis.io/apis/demandbase/demandbase-data-export-api/)
- [Demandbase Data Import API](https://apis.io/apis/demandbase/demandbase-data-import-api/)
- [Demandbase Intent API](https://apis.io/apis/demandbase/demandbase-intent-api/)
- [Demandbase Admin API](https://apis.io/apis/demandbase/demandbase-admin-api/)
- [Demandbase Usage API](https://apis.io/apis/demandbase/demandbase-usage-api/)
- [Demandbase Custom Sources API](https://apis.io/apis/demandbase/demandbase-custom-sources-api/)
- [Demandbase Auth API](https://apis.io/apis/demandbase/demandbase-auth-api/)
- [Demandbase MCP Server](https://apis.io/apis/demandbase/demandbase-mcp-server/)
- [Demandbase IP-API v3](https://apis.io/apis/demandbase/demandbase-ip-api-v3/)

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/demandbase/demandbase-b2b-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/demandbase/.