B2B data + AI · for humans & agents

Professional prospecting,
from any agent
Built on enterprise data.

Build lead lists, find decision-makers, personalize outreach, and prep for meetings — backed by 146M+ companies and 767M+ profiles, with provenance and credit cost on every call.

146M+
business entities
767M+
professional profiles
4,000+
data signals
// account fit · acme-bank.com
94 / hot
ICP fit
0.92
Buyer intent
0.84
Tech-stack match
0.78
Hiring signal
0.71
Funding signal
0.42
"VP Risk hired 14 days ago. Risk team headcount up 3× since Q1." — 4,000+ live signals · refreshed daily
works with
◐ Claude ⌗ Claude Code ∿ Codex ▲ Vertex AI ○ ChatGPT ◇ Perplexity ⌬ Cursor ◬ Notion AI ◉ Gemini ⌗ Amazon Q ◐ Claude ⌗ Claude Code ∿ Codex ▲ Vertex AI ○ ChatGPT ◇ Perplexity ⌬ Cursor ◬ Notion AI ◉ Gemini ⌗ Amazon Q
claude code · ourtone mcp

One prompt.
Every step of prospecting.

Discover, enrich, and connect. Plain-language in — verified accounts, decision-makers, and CRM-ready records out.

ourtone · session.live
$ claude
> Find SaaS companies in NYC, 50–200 employees, that closed a Series A in the last 90 days. Pull the heads of marketing, verify their work emails, and queue them in my outbound sequence.
5 tool calls · ~3.8k tokens · 4.1s
search-companies
→ 38 accounts · NYC · SaaS · 50–200 FTE · matched 146M+ index
filter-funding-signal
→ 22 accounts with Series A in last 90d · sources: Crunchbase, PitchBook, SEC
find-decision-makers
→ 31 contacts · Head/VP of Marketing · across 22 accounts
enrich-contacts
✓ 29 emails verified · provenance + confidence on every row
push-to-sequencer
→ Queued in "Q2 · NYC SaaS Series A" sequence. Awaiting your approve.
One API

Endless data,
one provider.

Structured and harmonized B2B data tailored for agents. Ourtone blends 50+ premium data sources behind a single API — firmographics, intent, news, scoops, geospatial, and CRM context — so the heavy work is resolved before the agent asks.

See all tools →
01

Company graph

146M+ business entities — firmographics, technographics, financials, and similar-company cohorts resolved to one canonical record.

02

Contact graph

767M+ verified professional profiles, recommended buying committees, and similar-profile lookups — with confidence per row.

03

Intent & signals

4,000+ live signals — topic surges, hiring spikes, funding rounds, exec changes, and product launches, refreshed daily.

04

CRM context

Accounts, opportunities, owners, and history from your CRM — read and write, no copy-paste.

05

Natural language

Describe the audience in plain language. Your agent translates into the right filters, sources, and joins — no schema lookups.

06

News & scoops

Categorized news coverage and press signals per account — the chatter your reps would never have time to read.

07

Customized delivery

MCP, REST API, webhook, CSV, CRM write, or sequencer push. Meet your stack where it lives.

08

Provenance & cost

Every record returns its source, freshness, and credit cost. Your agents can budget calls, audit results, and explain the data they used.

Skills

Every step of prospecting.

Browse all skills →
Use case · 6 cr

Build Lead Lists

Describe your target audience in plain language — industry, headcount, region, signal — and get an exportable list of matching companies, ready for outreach.

~ 12s · per queryView →
Use case · 4 cr

Find Contact Info

Find direct contact details for key decision-makers. Names, work emails, roles, and social signals — verified, with provenance and a confidence score.

~ 3s · per lookupView →
Use case · 14 cr

Account Research

A full intelligence brief on a target account — firmographics, CRM context, intent, news, scoops, and a similar-company cohort. TL;DR led, deal-context aware.

~ 35s · per accountView →
Use case · 8 cr

Personalize Outreach

Recent posts, product changes, hiring spikes, industry news — context the agent weaves into every line so no two emails sound the same.

~ 9s · per contactView →
Use case · 7 cr

Meeting Prep

Walk into every call prepared. The agent pulls the latest scoops on the company, the people in the room, and the deals it can find — three minutes before you join.

~ 15s · per meetingView →
Use case · variable

Enrich on Demand

Drop a CSV of names, companies, or domains — get back emails, firmographics, technographics, and signals. Powered by 50+ premium sources.

~ 200ms · per rowView →
Prompt library

Not sure where to start?
Try one of these.

Browse the full library →
Build Lead ListsL
Prompt · lead lists

"Find SaaS companies in EMEA, 200–1,000 FTE, with a hiring spike for AE roles in the last 60 days."

~ 12s · 8 crtry prompt →
Meeting PrepM
Prompt · meeting prep

"Prep me for my 3pm with Acme Bank. Latest news, exec changes, and any open opportunities in our CRM."

~ 15s · 7 crtry prompt →
EnrichmentE
Prompt · enrichment

"Enrich this CSV of 4,200 contacts with verified work emails, current titles, and LinkedIn URLs."

~ 200ms/rowtry prompt →
Find Decision-MakersD
Prompt · contact info

"For these 30 accounts, find the Head of Marketing and the VP of Demand Gen. Verify their emails."

~ 8s · 4 crtry prompt →
Personalize OutreachP
Prompt · outreach

"For each contact in this list, draft a 3-line opener that references their most recent LinkedIn post or a company news item."

~ 9s · 8 crtry prompt →
Account ResearchR
Prompt · research

"Brief me on Acme Bank for tomorrow's discovery. Tech stack, recent funding, top 3 strategic priorities, and our CRM history."

~ 35s · 14 crtry prompt →
RecruitingR
Prompt · recruiting

"Find senior backend engineers in NYC with 5+ years at Series B+ FinTechs. Pull current company, tenure, and LinkedIn URL."

~ 14s · 9 crtry prompt →
Intent SignalsI
Prompt · buyer intent

"Show me FinTech accounts surging on 'fraud detection' in the last 30 days, sorted by intensity and ICP fit."

~ 6s · 5 crtry prompt →
Competitor WatchC
Prompt · competitive

"Track the last 90 days at our top 5 competitors — funding, hires, product launches, exec changes, press hits."

~ 28s · 12 crtry prompt →
Guides

Read the guides.

Browse all →
The vibe

Enterprise data, simple
to start, ready at scale.

Everything you need for professional prospecting — premium B2B data and agent-ready APIs. Simple for one founder. Solid for a 500-rep org. The substrate every Ourtone skill sits on.

01premium B2B data
02structured & harmonized
03unified identity
04intent signals
05natural-language queries
06audit-ready provenance
Documentation

Explore the docs.