B2B data APIs for
Outbound Specialists

Use BlitzAPI to find better accounts, reach the right decision makers, enrich contacts, validate emails, and launch cleaner outbound campaigns.

Get 1,000 free recordsContact us

Launch outbound from
cleaner data

Find the right accounts, contacts, emails, and signals before you send
BlitzAPI helps you identify target accounts, find the best decision makers, enrich contacts with verified emails and phone numbers, and use job signals to reach companies at the right moment.
Build prospect lists with ICP-fit accounts and relevant stakeholders.
Validate emails before campaigns to reduce bounce risk.
Talk to the team
Better targeting
Start from accounts and contacts that match your ICP.
Cleaner emails
Use verified B2B emails and catch-all validation.
More context
Use company data and job signals to personalize outreach.

What Outbound Specialists build with BlitzAPI

Lists, contacts and reasons to reach out, built on the same endpoints.

  • Use case

    Target account lists

    Start every campaign from a list of accounts that fit your ICP.

  • Use case

    Decision-maker lists

    Use Waterfall ICP to turn a list of target accounts into named decision makers to contact.

  • Product

    Verified email lists

    Find professional emails and validate them before they enter your campaigns.

  • Product

    Multichannel records

    Add phone numbers to high-value contacts for calls, follow-ups, and sales tasks.

  • Product

    Signal-based outreach

    Use job postings and hiring activity to find timely reasons to reach out.

  • Use case

    CRM-ready prospects

    Send enriched contacts and clean account data into CRM or outbound tools.

A clean list, one call at a time

The endpoints behind a clean outbound list, grouped by what they do. One API key, structured JSON in and out.

Endpoints
06
Data families
03

Search & Discovery

  • POST /v2/search/companies Company Search API Send your ICP filters, get the matching accounts back, each with its LinkedIn URL.
  • POST /v2/search/waterfall-icp-keyword Waterfall ICP API Send an account and your title priorities, get the strongest available contact back.

Enrichment

  • POST /v2/enrichment/person Profile Enrichment API Send a LinkedIn URL, get the person's full career history back, every role with its employer.
  • POST /v2/enrichment/email Email Enrichment API Send a contact's LinkedIn URL, get a verified work email back, or Not Found instead of a guess.
  • POST /v2/enrichment/phone Phone Enrichment API Send a US contact's LinkedIn URL, get a direct phone number back when one is available.

Jobs Intelligence

  • POST /v2/jobs/company Jobs Signal API Send an account's LinkedIn URL, get its live job postings back, filtered by title, location or posting date.

Workflow · four calls in sequence

From a target account to a contact ready to send

One way to build a campaign list, one call per step, from Clay, n8n or Make.

  1. Search & Discovery

    Company Search API

    POST /v2/search/companies

    Filter the market down to the accounts that match your ICP.

    Passes on Target accounts

  2. Search & Discovery

    Waterfall ICP API

    POST /v2/search/waterfall-icp-keyword

    Run your title cascade on each target account.

    Passes on Decision makers

  3. Enrichment

    Profile Enrichment API

    POST /v2/enrichment/person

    Read each decision maker's roles and dates, so the first line is about them.

    Passes on Decision makers with career context

  4. Enrichment

    Email Enrichment API

    POST /v2/enrichment/email

    Add a verified work email, so the list enters the sequence clean.

    Delivers Contacts ready to send

Better lists for outbound teams

Founder

“BlitzAPI helps outbound teams move beyond generic lead lists. Find better accounts, identify the right decision makers, enrich contacts, validate emails, and launch campaigns from data your team can trust.”
Portrait of Antoine Blitz
Antoine Blitz
Founder at BlitzAPI

Data layer · Continuous

PROFILES550M+Maya ChenAcmeUSLéo MartinNorthwindFRPriya RaoGlobexGB

Data volume · Aggregate

DATA POINTS1B+

Plug BlitzAPI into your stack

“Use BlitzAPI as the API layer behind your Clay workflows, CRMs, internal tools, automations, and custom agents. High-volume playbooks, without per-record anxiety.”

OUTBOUND SPECIALISTS

Find the right contact, verify the address, then send, all through the same infrastructure.

API Docs
TIER 1VP SalesTIER 2Sales DirectorTIER 3Head of GrowthTIER 3Head of Growth

Learn the method, step by step

GuideHow to find the right decision maker in every companyWaterfall ICP · a search that knows when to stopRead the guide

Frequently asked questions

How accurate are the emails I get from BlitzAPI?

Verified emails are proven against live mail infrastructure before delivery and re-tested at least every 30 days. Addresses we cannot prove come back Not Found instead of a guess, which is what keeps your bounce rate down.

Does BlitzAPI provide phone numbers?

Yes, for US contacts. Phone enrichment focuses on the United States, with an emphasis on mobile numbers for calls and follow-ups, designed for high-value contacts rather than bulk lists. Phone-based endpoints come with every paid plan, from Start.

Do I need to be technical to use BlitzAPI?

No. Most outbound teams run BlitzAPI through Clay, n8n, or Make rather than raw code. If you can configure an HTTP call in your workflow tool, you can build lists, enrich contacts, and validate emails.

How much coverage can I expect for my target market?

The data layer spans 550M+ professional profiles and 65M+ companies, with 100M+ job postings powering hiring signals. Start with 1,000 free records to check coverage on your own ICP before scaling campaigns.

Data shouldn't be
the problem

Grab. Connect. Build.