# Prospecting **Prospecting APIs:** Filter-based search for contacts and companies. Use prospecting to find new records that match your Ideal Customer Profile (ICP). Apply rich filters across: - **Contact attributes:** title, seniority, location, signals - **Company attributes:** size, revenue, industry, technologies, intent Results are paginated: up to **1,000 pages x 50 results = 50,000 results** per query. > **Billing:** Uses the capture/charge model with `api_search` actions. Signal charges apply additionally. ## Prospecting Contacts - [POST /v3/contacts/prospecting](https://docs.lusha.com/apis/openapi/prospecting/prospectingcontacts.md): Search for contacts that match your Ideal Customer Profile using rich filter criteria. Filter by contact attributes: - Job title, seniority, department - Location (city, state, country, continent) - Existing data points (e.g. only contacts with a known work email) - Signal activity (promotion, job change) Filter by company attributes: - Size, revenue, industry, technologies - Location, intent topics, funding Results are paginated up to 50,000 total (1,000 pages × 50 results). Use the returned contact id values with Enrich Contacts to reveal emails and phones. > Billing: Charged per result via api_search. If signals are requested, an additional charge applies per matched signal per result. ## Prospecting Companies - [POST /v3/companies/prospecting](https://docs.lusha.com/apis/openapi/prospecting/prospectingcompanies.md): Search for companies that match your target market using rich filter criteria. Filter by: - Size, revenue range, industry, sub-industry - Technologies in use - Locations (HQ country, state, city) - SIC and NAICS codes - Buyer intent topics - Signal activity (headcount changes, hiring surges, news events) Results are paginated up to 50,000 total. Use the returned company id values with Enrich Companies to get full firmographic data. > Billing: Charged per result via api_search. If signals are requested, an additional charge applies per matched signal per result.