# BlitzAPI guides

Documentation for using BlitzAPI's agent storefront: what it sells, how to call it, what it costs, and how to recover from errors. The storefront itself: https://agents.blitz-api.ai/zcj/5g8kxvtb87rv/llms.txt.

- [Find companies by industry and size with BlitzAPI Company Search](https://agents.blitz-api.ai/guides/quickstart.md): BlitzAPI Company Search returns companies that match industry, size and location filters, billed per company returned from prepaid Credits.
- [Find decision makers and verified work emails with BlitzAPI's API](https://agents.blitz-api.ai/guides/find-decision-makers.md): BlitzAPI's waterfall search returns the best-fit decision maker at each account from ranked titles, and a work email is billed only when it can be proven.
- [Size a market with BlitzAPI's TAM API by headcount or hiring](https://agents.blitz-api.ai/guides/market-sizing.md): BlitzAPI's TAM endpoints count the companies with people in a role or hiring for it. Each company returned is billed, and you page by cursor until it is null.
- [Search job postings for hiring signals with BlitzAPI's Job Search API](https://agents.blitz-api.ai/guides/job-search.md): BlitzAPI's Job Search API lists every open role at one company or searches postings across companies, billed per posting returned from prepaid credit.
- [Enrich a company from its domain or LinkedIn page with BlitzAPI](https://agents.blitz-api.ai/guides/company-enrichment.md): BlitzAPI turns a domain into a company's LinkedIn page, then returns its profile and headcount by department or country. Empty lookups cost nothing.
- [How much does the BlitzAPI B2B data API cost per result?](https://agents.blitz-api.ai/guides/pricing.md): BlitzAPI bills each result returned, a call that finds nothing is free, and Credits are prepaid by card and topped up any time.