# BlitzAPI - The API Engine for every GTM Playbook

> High-performance B2B data infrastructure for Growth & Revenue teams. BlitzAPI delivers verified contact data on 380M+ professionals via REST endpoints for company search, person enrichment, and waterfall ICP prospecting. All endpoints accept standard JSON; authentication is via the `x-api-key` header.

This index lists every documentation page (with `.md` Markdown variants) plus links to the OpenAPI spec. Start with [Quickstart](https://docs.blitz-api.ai/guide/getting-started/quickstart.md) or jump straight to the [API reference](https://docs.blitz-api.ai/api-reference/account/get-api-key-details.md).

## Docs

- [Get API Key Details](https://docs.blitz-api.ai/api-reference/account/get-api-key-details.md): Check API key validity, remaining credits, rate limit, allowed endpoints, and active subscription plans.
- [Company Enrichment](https://docs.blitz-api.ai/api-reference/company-enrichment/company-enrichment.md): Retrieve a full company profile from a LinkedIn company URL.
- [Domain to Linkedin URL](https://docs.blitz-api.ai/api-reference/company-enrichment/domain-to-linkedin-url.md): Convert a website domain into a Company LinkedIn URL.
- [Linkedin URL to Domain](https://docs.blitz-api.ai/api-reference/company-enrichment/linkedin-url-to-domain.md): Get the email domain associated with a Company LinkedIn URL.
- [Company Search](https://docs.blitz-api.ai/api-reference/company-search/company-search.md): Find companies matching ICP criteria (industry, size, location, keywords). Returns company profiles with LinkedIn URLs for downstream enrichment.
- [Find Mobile & Direct Phone](https://docs.blitz-api.ai/api-reference/people-enrichment/find-mobile-&-direct-phone.md): Retrieve a direct mobile phone number from a LinkedIn profile URL.
- [Find Work Email](https://docs.blitz-api.ai/api-reference/people-enrichment/find-work-email.md): Retrieve a verified work email address from a LinkedIn profile URL.
- [Reverse Email Lookup](https://docs.blitz-api.ai/api-reference/people-enrichment/reverse-email-lookup.md): Identify a professional and retrieve their full profile starting from a verified work email address.
- [Reverse Phone Lookup](https://docs.blitz-api.ai/api-reference/people-enrichment/reverse-phone-lookup.md): Identify a professional and retrieve their full profile from a verified phone number.
- [Employee Finder](https://docs.blitz-api.ai/api-reference/people-search/employee-finder.md): Search all employees at a single company by job level, department, location, and seniority.
- [Find People](https://docs.blitz-api.ai/api-reference/people-search/find-people.md): Search people across many companies in one call. Combine company-level filters (industry, size, HQ, type, keywords) with person-level filters (job title, function, level, location). Cursor-based pagination.
- [Waterfall ICP Search](https://docs.blitz-api.ai/api-reference/people-search/waterfall-icp-search.md): Find the best decision-maker at a target company using a prioritized cascade hierarchy. The engine tries each tier in order and stops as soon as `max_results` is reached.
- [Get Current Date and Time](https://docs.blitz-api.ai/api-reference/utilities/get-current-date-and-time.md): Get the current server date and time. Useful for debugging timezone issues.
- [Company Search](https://docs.blitz-api.ai/guide/concepts/company-search.md): Find companies matching precise ICP criteria. Build ABM lists and power dynamic prospecting workflows.
- [Employee Finder](https://docs.blitz-api.ai/guide/concepts/employee-finder.md): Search employees at a company by role, seniority, department, and location. With pagination.
- [Find People](https://docs.blitz-api.ai/guide/concepts/find-people.md): Two-stage ICP search — qualify companies, then surface decision-makers inside them. The right tool to build prospecting lists across many accounts in one call.
- [Recipe: ICP List Building](https://docs.blitz-api.ai/guide/recipes/icp-list-building.md): Build a fresh, enriched ICP prospecting list from scratch in one Find People call + cursor loop + enrichment.
- [Plans & Pricing](https://docs.blitz-api.ai/guide/concepts/pricing-unlimited.md): Flat-rate unlimited access. No per-request fees, no surprises. Choose the plan that unlocks the APIs you need.
- [Our Standard for Quality](https://docs.blitz-api.ai/guide/concepts/quality.md): Why we prioritize precision and verification over raw volume.
- [Waterfall Logic](https://docs.blitz-api.ai/guide/concepts/waterfall-logic.md): Smart Lead Routing: Prioritize quality over quantity.
- [Authentication](https://docs.blitz-api.ai/guide/getting-started/authentication.md): How to securely authenticate your requests with BlitzAPI.
- [Code Examples & Best Practices](https://docs.blitz-api.ai/guide/getting-started/code-examples.md): Hub — endpoint quick reference and the rate-limited base client used by every per-endpoint example.
- [Example: Check API Key](https://docs.blitz-api.ai/guide/getting-started/examples/check-api-key.md): Health-check `GET /v2/account/key-info` snippet (Node + Python).
- [Example: Waterfall ICP Search](https://docs.blitz-api.ai/guide/getting-started/examples/waterfall-icp.md): Cascade tier-priority decision-maker search snippet (Node + Python).
- [Example: Find People](https://docs.blitz-api.ai/guide/getting-started/examples/find-people.md): Cursor-paginated cross-company decision-maker search snippet (Node + Python).
- [Example: Employee Finder](https://docs.blitz-api.ai/guide/getting-started/examples/employee-finder.md): Single-company employee search with pagination snippet (Node + Python).
- [Example: Company Search](https://docs.blitz-api.ai/guide/getting-started/examples/company-search.md): Cursor-paginated company-by-ICP search snippet (Node + Python).
- [Example: Email Enrichment](https://docs.blitz-api.ai/guide/getting-started/examples/email-enrichment.md): LinkedIn URL → verified work email snippet (Node + Python).
- [Example: Phone Enrichment](https://docs.blitz-api.ai/guide/getting-started/examples/phone-enrichment.md): LinkedIn URL → mobile phone (US) snippet (Node + Python).
- [Example: Reverse Email Lookup](https://docs.blitz-api.ai/guide/getting-started/examples/reverse-email.md): Email → full person profile snippet (Node + Python).
- [Example: Reverse Phone Lookup](https://docs.blitz-api.ai/guide/getting-started/examples/reverse-phone.md): Phone → full person profile snippet (Node + Python).
- [Example: Company Enrichment](https://docs.blitz-api.ai/guide/getting-started/examples/company-enrichment.md): Company LinkedIn URL → full company profile snippet (Node + Python).
- [Example: Domain → LinkedIn](https://docs.blitz-api.ai/guide/getting-started/examples/domain-to-linkedin.md): Website domain → Company LinkedIn URL snippet (Node + Python).
- [Example: LinkedIn → Domain](https://docs.blitz-api.ai/guide/getting-started/examples/linkedin-to-domain.md): Company LinkedIn URL → email domain snippet (Node + Python).
- [Quickstart](https://docs.blitz-api.ai/guide/getting-started/quickstart.md): Make your first API request in less than 2 minutes.
- [MCP Server](https://docs.blitz-api.ai/guide/integrations/MCP.md): Connect any AI tool directly to the Blitz API documentation for hallucination-free code generation.
- [Clay Integration](https://docs.blitz-api.ai/guide/integrations/clay.md): Enrich thousands of leads using the Clay HTTP API (Sculptor or Manual).
- [Make (Integromat) Integration](https://docs.blitz-api.ai/guide/integrations/make.md): Build powerful enrichment scenarios using the HTTP module in Make.
- [n8n Integration](https://docs.blitz-api.ai/guide/integrations/n8n.md): Automate your enrichment pipelines using the HTTP Request node in n8n.
- [CRM Hygiene Playbooks](https://docs.blitz-api.ai/guide/recipes/crm-hygiene.md): Dynamic enrichment and automated cleaning workflows.
- [Recipe: Account Breakthrough](https://docs.blitz-api.ai/guide/recipes/enrichment-workflow.md): Stop Spray & Pray. Penetrate strategic accounts with surgical precision.
- [Reference & Standards](https://docs.blitz-api.ai/guide/reference/appendix.md): Endpoint index, country codes, data logic, and performance details.
- [Field Normalization](https://docs.blitz-api.ai/guide/reference/normalization.md): Hub for the normalized enum values used by Search endpoints — links to filters, industries, job levels, company types, geography, and LinkedIn URL formats.
- [Keyword Filters](https://docs.blitz-api.ai/guide/reference/normalization/filters.md): How `include` / `exclude` keyword search and the exact-match `[bracket]` syntax behave on Search endpoints.
- [Industry Values](https://docs.blitz-api.ai/guide/reference/normalization/industries.md): Full list of 534 accepted values for `company.industry.include` / `exclude`.
- [Job Levels & Functions](https://docs.blitz-api.ai/guide/reference/normalization/job-levels.md): Accepted values for `people.job_level` and the 22-value `people.job_function` enum.
- [Company Type & Employee Range](https://docs.blitz-api.ai/guide/reference/normalization/companies.md): Accepted values for `company.type` (10 values) and `company.employee_range` headcount buckets.
- [Geography Codes](https://docs.blitz-api.ai/guide/reference/normalization/geography.md): Sales regions, continents, and ISO 3166-1 alpha-2 country codes for `location` filters.
- [LinkedIn URL Formats](https://docs.blitz-api.ai/guide/reference/normalization/urls.md): Accepted formats for LinkedIn profile and company URLs.
- [Welcome to BlitzAPI](https://docs.blitz-api.ai/index.md): High-performance B2B data infrastructure for Growth & Revenue teams.

## OpenAPI Specs

- [v2.openapi](https://docs.blitz-api.ai/api-reference/v2.openapi.json)
- [openapi](https://docs.blitz-api.ai/api-reference/openapi.json)