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We discuss growing evidence that pulsar high energy is emission is generatedvia Inverse Compton mechanism. We reproduce the broadband spectrum of Crabpulsar, from UV to very high energy gamma-rays - nearly ten decades in energy,within the framework of the cyclotron-self-Compton model. Emission is producedby two counter-streaming beams within the outer gaps, at distances above ~ 20NS radii. The outward moving beam produces UV-X-ray photons via Doppler-boostercyclotron emission, and GeV photons by Compton scattering the cyclotron photonsproduced by the inward going beam. The scattering occurs in the deepKlein-Nishina regime, whereby the IC component provides a direct measurement ofparticle distribution within the magnetosphere. The required plasmamultiplicity is high, ~ 10^6-10^7, but is consistent with the average particleflux injected into the pulsar wind nebula.

IC model of pulsar high energy emission