The UK API market was valued at $8,021.9 Million in 2025, and is projected to reach $11,865.7 Million by 2032 growing at a CAGR of 5.79% from 2026 to 2032. Captive API manufacturers segment is expected to be the highest contributor to this market, with $4,701.4 Million in 2025, and is anticipated to reach $6,620.6 Million by 2032, registering a CAGR of 5.05%. Merchant API manufacturers segment is anticipated to reach $5,245.1 Million by 2032 with the highest CAGR of 6.78%.
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