Cognism Filter API
Reference lists of values the search filters accept.
Cognism Filter API is one of 6 APIs that Cognism publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Filter. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, API documentation, a getting-started guide, and authentication docs.
This API exposes 14 operations across 14 paths, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version 2026-08-13.
Requests are made against a single base URL, https://app.cognism.com.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
Cognism Filter API declares
2 security schemes
for authenticating requests.
It accepts HTTP bearer tokens (bearerAuth).
An API key is passed in the query as api_key (apiKeyQuery).
By default, every request must be authenticated.
bearerAuth— API token issued in the Cognism app under Settings Tokens and API. Sent as Authorization: Bearer . Tokens have a time-to-live of 6 months.apiKeyQuery— Alternative to the Authorization header. Cognism documents it but recommends the header instead, as the query string is less secure.
Paths & Operations 14
Across 14 paths, the API surfaces 14 operations — 14 GET. Each is listed below with its method, path, parameters, and response codes.
Reference lists of values the search filters accept.
Schemas 2
The contract defines 2 schemas that model the data the API accepts and returns. Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Cognism 5
Other APIs Cognism publishes across the network.
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