UserGems
UserGems is a San Francisco-based sales intelligence platform that tracks champion job changes and surfaces buying signals so sales and marketing teams can prioritize outbound and ABM motions. The platform packages 30+ native signals (job changes, contact-level intent, M&A, hiring, web visits), Gem-E AI agents for prospect list building and email personalization, and custom AI scoring trained on 600+ closed-won patterns. UserGems exposes a public REST API at api.usergems.com/v1 that lets customers programmatically add and remove contacts to track for job changes, add and remove target accounts, and honor data-subject deletion requests. The API uses an X-Api-Key header for authentication and processes submissions asynchronously. Native integrations include Salesforce, HubSpot, Microsoft Dynamics, Outreach, Salesloft, Gong Engage, Marketo, LinkedIn Ads, Meta Ads, and Google Ads.
UserGems publishes 3 APIs on the APIs.io network: Accounts API, Contacts API, and Privacy API. Tagged areas include Sales Intelligence, Outbound, ABM, Champion Tracking, and Job Changes.
The UserGems catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.
UserGems’ developer surface includes authentication, developer portal, documentation, signup flow, pricing, engineering blog, support, and 24 more developer resources.
Kin Score
APIs 3
Individual APIs this provider publishes, each with its own machine-readable definition.
UserGems Accounts API
Add and remove accounts UserGems should source prospects against.
UserGems Contacts API
Add and remove contacts UserGems should track for job changes.
UserGems Privacy API
Honor data-subject deletion requests for tracked contacts.
Postman Collections 3
Ready-to-run Postman collections for exercising this provider's APIs.
UserGems Accounts API
POSTMANOpen Collections 1
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
UserGems API
OPEN COLLECTIONPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Usergems Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Usergems Finops
FINOPSFeatures 14
Notable capabilities this provider offers.
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Semantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Usergems Context
JSON-LDSpectral Rules 2
Spectral governance rulesets for linting and validating these APIs.
UserGems API Rules
SPECTRALUserGems API Rules
SPECTRALJSON Schema 2
Standalone JSON Schema definitions for this provider's data models.
UserGems Account
JSON SCHEMAUserGems Contact
JSON SCHEMAExamples 3
Example request and response payloads for these APIs.
Usergems Add Account Example
EXAMPLEUsergems Add Contact Example
EXAMPLESecurity Posture 4
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Integrations 12
Pre-built integrations with other platforms and tools.
Salesforce
HubSpot
Microsoft Dynamics
Outreach
Salesloft
Gong Engage
HubSpot Marketing
Marketo
LinkedIn Ads
Meta Ads
Google Ads
Chrome Extension
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Resources
Get Started 2
Portal, sign-up, and the first successful call
Documentation 6
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 2
SDKs, sample code, and the tooling you integrate with
Access & Security 5
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 5
Pricing, plans, and the legal terms of use
Company 5
The organization behind the API
Other 2
Properties that don't map to a standard resource type