There is no rule banning broker bonuses in Peru and no law preventing residents from trading with foreign brokers, as long as those brokers operate from outside the country. The promotions Peruvians see are the standard global offers, and each promotion's own eligibility list decides whether Peru is included.
Because no domestic licence exists, every account is held by a foreign entity, and the protections you get are exactly those of the licence behind it. The SMV cannot mediate a dispute with an offshore broker, so its alerts about fraudulent platforms are worth checking before you sign up, and a credible FCA, CySEC or ASIC licence is worth more than any bonus percentage.
Funding is simple by regional standards: the sol is freely convertible, wires and cards work without capital controls, and many brokers support local payment methods. Confirm the withdrawal path before depositing, and read the turnover terms in full so the bonus does not lock a balance you expected to keep liquid.