Guides
Identity Graph Companies: 2026 Provider List
Identity graph companies fall into three groups: adtech consumer graphs (LiveRamp, Experian, TransUnion), CDP first-party graphs, and B2B person-level graphs.
Guides
Mobile Visitor Identification: Fix Your Biggest Blind Spot
60%+ of B2B traffic comes from mobile but most ID tools fail on phones. Learn why mobile identification is harder and which tools actually work.
Guides
What Is an Identity Graph? Definition and Examples
An identity graph links emails, device IDs, cookies and IPs to one person, household or company. See a worked example, the main types and how marketers use it.
Guides
Deterministic vs Probabilistic Identity Matching
Deterministic vs Probabilistic Identity Matching. Learn definitions, evidence requirements and a practical process for reviewing visitor records.
Guides
Identity Resolution APIs for AI Agents (2026)
AI agents need real-time identity data. Compare identity resolution APIs by agent-readiness: webhooks, latency, SDK support, MCP servers, and data freshness.
Guides
What Is Identity Resolution? A Technical Primer
Identity resolution matches anonymous signals to known people. Learn how it works, deterministic vs probabilistic methods, and why it matters for B2B sales.
Guides
How Identity Graphs Work (And Why They Matter)
Learn how identity graphs power visitor identification, why match rates vary from 5% to 40%, and how to evaluate tools based on the data behind them.
Guides
7 Things You Can Build with an Identity Resolution API
From AI sales agents to white-label platforms. Seven production use cases for identity resolution APIs with architecture diagrams and code examples.
Guides
Person-Level vs Company-Level Visitor Identification
Understand company matches, named visitors and suggested contacts. Compare identity levels using a practical sample-record and workflow checklist.
Guides
Identity Resolution APIs: Compare the Actual Data Job
Compare identity APIs by their starting identifiers, resolved entity, evidence and permitted use.
Guides
Self-Serve Identity Resolution APIs (No Sales Call)
Most identity resolution APIs require enterprise contracts. These don't. Compare self-serve options you can start using today with just an API key.
Guides
B2B Identity Resolution API: Developer Guide (2026)
Evaluate B2B identity resolution APIs by input, output, authentication, data quality and delivery. Includes current Leadpipe docs and a rollout checklist.
Guides
Identity Resolution API Pricing: Complete Guide
How much do identity resolution APIs cost? From free tiers to $200K/yr enterprise contracts. Pricing models, hidden costs, and cost-per-resolution math.
Reviews
FullContact vs Leadpipe: Identity Inputs and Delivery
FullContact publishes identity-resolution and enrichment interfaces.
Guides
Identity Graph APIs: How They Work (Technical Guide)
How identity graphs store, match, and resolve person data. Graph structure, matching algorithms, confidence scoring, and API patterns explained for developers.
