Content & Text Processing API

Grammar checking, AI text generation, text-to-speech and YouTube transcripts through one normalized interface.

10 endpoints · 1 credit = $0.001. Each endpoint has its own credit cost, listed below. Calls that fail because of an upstream provider are refunded.

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Example request

curl -X POST 'https://axioapi.com/api/v1/grammar/check' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{"text":"value","language":"value"}'

Content & Text Processing · 10 endpoints

Method	Endpoint	Cost
POST	Grammar check `/api/v1/grammar/check`	1 credit / request
POST	Text generate `/api/v1/text/generate`	2 credit / request
GET	Video transcript `/api/v1/videos/{video}/transcript`	1.5 credit / request
GET	Video tags `/api/v1/videos/{video}/tags`	0.5 credit / request
GET	List AI prompt topics catalog `/api/v1/content/prompts/topics`	0.1 credit / request
POST	Text to speech synthesis `/api/v1/audio/tts`	5 credit / 1,000 characters
GET	Get audio TTS job status `/api/v1/audio/tts/{job}`	0 credit / request
GET	Download audio artifact `/api/v1/audio/tts/{job}/artifact`	0 credit / request
DELETE	Cancel audio job and purge state `/api/v1/audio/tts/{job}`	0 credit / request
GET	List TTS voices catalog `/api/v1/tts/voices`	0.1 credit / request