Gapier

Building powerful GPTs often means hitting a wall when you need external data or actions. Gapier breaks through that wall by offering 50 tailor-made, free Actions APIs specifically designed for GPT creators — covering a wide range of use cases so you can expand your GPT's capabilities without writing complex integrations from scratch.

Gapier also provides real-time GPT ranking data so you always know how your GPT stacks up, and gives you tools to create independent websites for your GPTs in seconds — solving the persistent headaches of traffic conversion and domain verification. If you're building for ChatGPT users and want your GPT to do more, Gapier is the infrastructure layer you didn't know you needed.