Audexum
audexum.comA REST API for text-to-speech synthesis and speech-to-text dictation supporting multiple voices and languages.
The Audexum API uses bearer token authentication; has freemium pricing; offers a free tier (30,000 credits/month, no card required (~30 min TTS or 2.5 hrs transcription)); rate limits: Per-key soft limit 50 requests/minute; global inflight cap of 50 concurrent synthesis requests; per-month character quota by plan; 429 when >50 req/min on same key. Verified 2026-07-08 with per-field source links.
Pricing
Paid plans from €4/month; 1 credit = 1 TTS character, 200 credits = 1 minute transcription; credit packs available (never expire)
audexum.com ↗Rate limits
Per-key soft limit 50 requests/minute; global inflight cap of 50 concurrent synthesis requests; per-month character quota by plan; 429 when >50 req/min on same key
audexum.com ↗OpenAPI spec
not documented null
no sourceMCP server
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no source