The US API market was valued at $104,561.0 Million in 2025, and is projected to reach $140,307.7 Million by 2032 growing at a CAGR of 4.33% from 2026 to 2032. Captive API manufacturers segment is expected to be the highest contributor to this market, with $59,599.8 Million in 2025, and is anticipated to reach $75,766.2 Million by 2032, registering a CAGR of 3.52%. Merchant API manufacturers segment is anticipated to reach $64,541.6 Million by 2032 with the highest CAGR of 5.33%.
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