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Authentication

Send an API key on every request. Create keys in the dashboard under API keys.

FieldTypeDescription
AuthorizationRequiredheaderBearer followed by your secret key. Keys start with sk_.
Idempotency-KeyheaderOptional on a POST that creates work. Replay the same key to get the same result instead of a second charge.
curl https://api.pascalai.co/v1/text-to-speech \
  -H "Authorization: Bearer $PASCAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "model": "kokoro",
  "text": "Keep walking toward the river."
}'

curl https://api.pascalai.co/v1/text-to-speech/$JOB_ID \
  -H "Authorization: Bearer $PASCAL_API_KEY"

An API key spends the API wallet. It cannot manage billing or create other keys.