If you've skills which can be monetizable then showcase a free demo to your friends & family members and inform them if they want this you can do it for them. Then you can expand the same strategy beyond to your friend & family members by using social tools like youtube, instagram, tiktok.

This is out of my specility.. but, recently I listened this pod about "Hiring Your First Virtual Assistant: When, Where, and How to Do it Right" & maybe it'll help you. Link: https://music.youtube.com/podcast/KOqxx8Tzj8E

Here are the few points I think you should keep in mind - how are you migrating from SAAS to API access business. Is it like one click & everything switch from SAAS to API access or it's chunk wise migration. I think, better approach should inform your clients first about this new process/method & allow them how they want to migrate or even they want to migrate or not? - Need to think about API scope, security, authentication etc - API speed & robustness - API pricing - API Versioning - Data Encryption - API rate limiting and throttling - API Input Validation and Sanitization - Caching - Load balancing - API Documentation - Logging & analytics - Terms of Service and Privacy Policy - Scalability