BidMachine is a mobile advertising platform that helps app publishers grow in-app ad revenue and gives advertisers, DSPs, and agencies access to SDK-direct in-app inventory with first-party signals. The platform operates as both an in-app bidding solution and a supply-side platform, connecting mobile publishers to programmatic demand through a lightweight SDK integration. Publishers add incremental demand sources to their existing monetization stack, run transparent real-time auctions, and access brand advertiser budgets through direct, SPO-aligned supply paths. BidMachine processes over 1 trillion ad requests monthly and reaches 600 million verified SDK users across gaming, utility, and lifestyle apps. Core features: SDK: lightweight in-app bidding integration that adds premium global demand to publisher auctions, built to minimize latency and preserve app performance Mediation: transparent auction mechanics with full visibility into how demand sources compete, including pricing, fill data, and demand prioritization controls Exchange: PMP and open auction access for DSPs and agencies buying SDK-powered in-app inventory with first-party signals and SPO-aligned supply paths UA: performance campaign tools for advertisers and UA teams, with CPI and ROAS optimization powered by rich in-app signals and unified reporting across inventory, creatives, and geos DIRECT Placements: a dedicated supply path that routes brand advertiser budgets to premium publishers through SDK-direct, SPO-aligned inventory, with onboarding taking approximately two weeks after agreement signing and ads.txt update Who uses BidMachine: Publishers and monetization managers growing ARPDAU and LTV by adding incremental demand alongside existing networks Advertisers and UA teams running performance campaigns who need high-quality, SDK-direct in-app supply DSPs and agencies seeking cleaner supply paths with richer first-party signals for programmatic buying Publishers can get started via self-serve sign-up or by contacting the sales team directly.