Demandbase B2B API
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.
This API exposes 22 operations across 20 paths, organized into 4 resource areas, and defines 72 schemas. It is described by OpenAPI 3.0.1, at version 1.0.
Requests are made against a single base URL, https://uapi.demandbase.com/data/b2b/v1.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
Demandbase B2B API declares
1 security scheme
for authenticating requests.
It accepts HTTP bearer tokens (bearerAuth).
By default, every request must be authenticated.
bearerAuth— [ How To Generate Bearer Tokens ](https://developer.demandbase.com/reference/generateaccesstoken)
Paths & Operations 22
Across 20 paths, the API surfaces 22 operations — 1 DELETE, 14 GET, 6 POST, 1 PUT. They span 4 resource areas: Sync API, Asynchronous (Batch) API, Subscription API, Reference Tables. Each is listed below with its method, path, parameters, and response codes.
Synchronous company, contact, matching, news, and logo operations.
Asynchronous bulk jobs for high-volume data retrieval and matching.
Subscription creation, updates, status, alerts, and lifecycle operations.
Reference schemas and allowed values used by the B2B API.
Schemas 72
The contract defines 72 schemas that model the data the API accepts and returns. The most detailed are CompanySearchRequestDTO (40 properties), CompanyFetchResponseDTO (36 properties), ContactSearchRequestDTO (31 properties), MatchRequest (20 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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