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We compute the expected cosmic rates of tidal disruption events induced byindividual massive black holes (MBHs) and by MBH binaries (MBHBs) - with aspecific focus on the latter class - to explore the potential of TDEs to probethe cosmic population of sub-pc MBHBs. Rates are computed by combining MBH andMBHB population models derived from large cosmological simulations withestimates of the induced TDE rates for each class of objects. We constructempirical TDE spectra that fit a large number of observations in the optical,UV and X-ray and consider their observability by current and future surveyinstruments. Consistent with results in the literature, and depending on thedetailed assumption of the model, we find that LSST and Gaia in optical andeROSITA in X-ray will observe a total of 3000-6000, 80-180 and 600-900 TDEs peryear, respectively. Depending on the survey, one to several percent of theseare prompted by MBHBs. In particular both LSST and eROSITA are expected to see150-450 MBHB induced TDEs in their respective mission lifetimes, including5-100 repeated flares. The latter provide an observational sample of binarycandidates with relatively low contamination and have the potential ofunveiling the sub-pc population of MBHBs in the mass range$10^5M_\odot<M<10^7M_\odot$, thus informing future low frequency gravitationalwave observatories.

Tidal disruption events from massive black hole binaries: predictions for ongoing and future surveys