Be the first to access
the Agentic Search API

Your agent doesn't need to learn query language to get company, employee, and jobs data. From natural language prompt to structured data in seconds.

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Professional network data use cases

Agents need data,
not a six-week onboarding

Get fresh and historical B2B information through a scalable Agentic Search API

  • JSON format

  • Multi-source B2B data

  • Updated in real time

One API call instead of weeks for setup

No query language to learn. No schema mapping. No edge-case handling. Natural language in, structured records out, all in a single API call.

Speed and cost built in

The /fast endpoint is optimised for high-volume, programmatic use with a strong B2B data infrastructure behind to handle the scale you need.

Full transparency on demand

Request the generated ES DSL query directly to inspect, modify, or execute on your own terms.

Built for pipelines, not browsers

Designed for agent workflows, search features, and automation at scale, not dashboards or manual lookups.

Why do you need Agentic Search API?

Allow your agent to query structured multi-source B2B data with plain-text - or get the raw Elasticsearch DSL to execute, modify, and inspect yourself.
Smarter responses in seconds. The /fast endpoint is engineered for programmatic, high-volume workloads. Designed to fit inside agent loops without blowing up latency or costs.
Built for agent workflows and automation at scale. No rate-limit surprises, no manual review steps. Drop it into your agent pipeline the same way you'd call any other tool.
Stable infrastructure for agentic tools. Early access means getting ahead. SDKs, agent integrations, search engines powered by proprietary B2B data.
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Agentic Search API use cases

Evaluate company performance
AI chatbots
Generate and enrich marketing leads
AI agents
Find companies ready for investment
Text-based search
Check historical headcount
Deep research agents
Spot purchase intent
Agentic pipelines
Discover in-demand jobs and occupations
Workflow automations
Use data for training AI and ML models
Agent building platforms
Enrich company or employee profiles
NL search
Identify top candidates for hiring
AI prospecting
Evaluate company performance
AI CRM
Generate and enrich marketing leads
AI agents
Find companies ready for investment
B2B search engines
Check historical headcount
Deep research agents
Spot purchase intent
Agentic pipelines
Discover in-demand jobs and occupations
Discover in-demand jobs and occupations
Use data for training AI and ML models
Use data for training AI and ML models
Enrich company or employee profiles
Enrich company or employee profiles
Identify top candidates for hiring
Identify top candidates for hiring

The B2B data your agents have been waiting for

Build with career histories, current roles, company headcount, tech stacks, hiring signals, funding data. Add structured, queryable, and accessible data to your agent via natural language. No preprocessing. No schema documentation to read. All in a single API call.

75M+ company profiles

Company records with 500+ data fields per profile and unmatched level of detail

859M+ professional profiles

Professional profiles with 300+ fields from the world's largest professional network and multiple other sources

458M+ job posting records

Deduplicated, multi-source records with 80+ fields for accurate, real-time job market analysis

Building AI-ready infrastructure with real-time data

Get high-quality data that can be easily used to build AI search, machine learning models, and AI-driven products

What's on the market

Traditional infrastructure

Batch-updated datasets
Unfiltered data return
Human-readable documentation
Fixed output schema
Human-readable data formats (CSV, XML)
Reactive data pulls
Traditional keyword search
Custom integrations

What agents need

AI-ready infrastructure

Real-time data access
Response field selection
Machine-readable documentation
Dynamic output schema
AI-readable data formats (JSONL, Parquet)
Proactive notifications via webhooks
Semantic search and vector embeddings
Standardized protocols
Coresignal compliance badges

Ethical data sourcing for AI models

Coresignal is certified by Ethical Web Data Collection Initiative and collects only publicly available, strictly business-related data. We don't collect private or sensitive data and we do not scrape behind login-secured areas.

Frequently asked questions