OpenAI API credits have run out!

I have been into prompt engg on and off since about 2 years and have exhausted my OpenAI API allowance. I’m not funded by any companies and want to experiment for my own learning. Are there any free developer credits I can request for or if I have to pay for it what is the recommended rate plan for individual developer access ?

It would be better to post this question in Short Courses → ChatGPT Prompt Engineering for Developers category.

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