From SOAP to GraphQL: migration tips from real client projects
Moving clients from SOAP to GraphQL is as much about migration strategy as schema design. These notes come from real projects, not a greenfield ideal.
Avoid the hard cutover
Run GraphQL alongside the existing SOAP services and migrate consumers one at a time. A facade lets you reshape the API surface gradually while the legacy contracts keep serving the clients that have not moved yet.
Spend real effort on schema design, auth and caching up front. They are the parts that are painful to change once consumers depend on them.
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