The RoE API market was valued at $9,958.2 Million in 2025, and is projected to reach $13,102.7 Million by 2032 growing at a CAGR of 4.04% from 2026 to 2032. Captive API manufacturers segment is expected to be the highest contributor to this market, with $5,836.2 Million in 2025, and is anticipated to reach $7,289.1 Million by 2032, registering a CAGR of 3.26%. Merchant API manufacturers segment is anticipated to reach $5,813.6 Million by 2032 with the highest CAGR of 5.07%.
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