25/50vs24/50
FEATURE
KEYPLAY
THEIRSTACK
OVERALL_SCORE
25/50
24/50
API_QUALITY
GOOD ███░
EXCELLENT ████
API_SCORE
7/10
8/10
GTM_RELEVANCE
18/20
16/20
CATEGORY
DATA ENRICHMENT & INTENT
ANALYTICS & DATA
PRICING
FREEMIUM
FREEMIUM
FREE_TIER
[YES]
[YES]
REST_API
[YES]
[YES]
WEBHOOKS
[YES]
[YES]
GRAPHQL
[---]
[---]
OAUTH
[YES]
[---]
COMPLEXITY
MEDIUM
EASY
LEARNING
MEDIUM
LOW
WEBHOOK_REL
GOOD
GOOD
// VERDICT
OVERALL_SCORE:KEYPLAY
API_QUALITY:THEIRSTACK
GTM_RELEVANCE:KEYPLAY
EASE_OF_USE:THEIRSTACK
VALUE (FREE):TIE
Strengths & Weaknesses
Keyplay
Whitebox intent scoring provides full transparency into what drives each account score, unlike black-box ABM platforms
Two-way CRM sync with Salesforce and HubSpot using OAuth (no managed package required) makes operationalization seamless
AI agents continuously find new data and signals to keep ICP models dynamic and up-to-date
Multi-model support allows different ICP scoring for various segments, products, or markets simultaneously
Premium pricing starting at $18K/year puts it out of reach for early-stage startups and small teams
Best suited for companies with 5+ AEs and established sales operations, limiting applicability for smaller GTM teams
Limited SDK availability requires more custom integration work for advanced automation
TheirStack
Massive job posting database provides unique buying intent signals
Well-documented REST API with OpenAPI specs and TypeScript SDK
Generous free tier with 50 credits/mo to test before committing
Job posting signals are inherently lagging behind actual buying decisions
Technographic accuracy depends on public job posting mentions