Affinity is a relationship intelligence CRM platform designed for private capital firms and deal-driven teams. It automatically captures and enriches relationship data by syncing email and calendar events, creating people and company profiles enriched from over 40 trusted data sources. The platform uses AI to analyze communication patterns and assign relationship strength scores based on recency and frequency of interactions, helping organizations understand and leverage their collective professional networks. Unlike traditional CRMs that require manual data entry, Affinity builds a living map of relationships with minimal effort, powering 50% of the top 300 venture firms globally. For AI workflows and agents, Affinity integration enables automated relationship monitoring, intelligent contact suggestions based on connection strength, and enriched context for outreach campaigns.
Search organizations by domain or name
Get a single organization by id
Get global field values for an organization
Get all lists an organization is on, with per-list field values
Get notes attached to an organization
Get interactions (calls/meetings/emails) with an organization
Search persons by email or name
Get a single person by id
Get global field values for a person
Get all lists a person is on, with per-list field values
Get notes attached to a person
Enumerate all accessible lists
Get list metadata + field definitions
Get rows on a list, with optional inline field values
List opportunities
Get a single opportunity by id
Tenant + user info for the connected Affinity API key
Get field definitions for a list, including dropdown options
Create a new field value on an entity
Update an existing field value
Delete a field value
Add an entity to a list
Remove an entity from a list
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