# Pubrio guides

Documentation for using Pubrio's agent storefront: what it sells, how to call it, what it costs, and how to recover from errors. The storefront itself: https://agents.pubrio.com/zcj/q8v2k76kdimz/llms.txt.

- [Look up a company by its domain with Pubrio's API](https://agents.pubrio.com/guides/quickstart.md): Pubrio's company lookup API returns a company's record from its domain in one POST, paid per call after a priced 402. No signup and no API key.
- [Enrich a company by domain with Pubrio's company enrichment API](https://agents.pubrio.com/guides/company-enrichment.md): Pubrio's enrichment call returns a company's record plus its recent jobs, news, ads and similar companies, for 3 credits per call, paid at the request.
- [How much does Pubrio cost? Credits per call for B2B data](https://agents.pubrio.com/guides/pricing.md): Every Pubrio call is counted in credits: a lookup is 1, an enrichment 3, a market expansion call 5. Pay per call with no signup, or prepay on a plan.
- [Pubrio API errors and error codes: what each answer means](https://agents.pubrio.com/guides/errors.md): Most Pubrio storefront errors arrive before payment and cost nothing. A lookup for an unknown domain is still paid for; check data before using it.
- [Find companies expanding into a new market with Pubrio's API](https://agents.pubrio.com/guides/market-expansion.md): Pubrio's expansion search returns companies moving into a market, each with its stage, score and local footprint, from dated signals. Each call is 5 credits.
- [Company search API: describe companies or set filters with Pubrio](https://agents.pubrio.com/guides/company-search.md): Describe the companies in a sentence and Pubrio returns matches plus the filters it applied in metadata.filters. Refine those filters by hand.
- [Find companies similar to one you know with Pubrio's lookalike API](https://agents.pubrio.com/guides/lookalike-companies.md): Send one reference company to Pubrio's lookalike search and get companies ranked by a 0 to 1 similarity score, anywhere or narrowed to one market.