# SK Telecom A.X TTS API

**Canonical:** https://apis.io/apis/sk-telecom/sk-telecom-ax-tts-api/  
**Provider:** SK Telecom — https://apis.io/providers/sk-telecom/  
**Base URL:** https://apis.openapi.sk.com/axtts  
**Documentation:** https://openapi.sk.com/products/detail?svcSeq=67

SK Telecom A.X TTS API is one of 15 APIs that [SK Telecom](https://apis.io/providers/sk-telecom/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Artificial Intelligence, Speech, Text-to-Speech, and Korean. The published artifact set on APIs.io includes API documentation, an API reference, an OpenAPI specification, and a getting-started guide.

Korean text-to-speech built on SK Telecom's own DNN speech-synthesis models and voice database, operated by SKT's speech synthesis technology team. Three documented operations — list TTS models, list the voices a model supports, and synthesize speech (with an optional timestamped variant). Authenticated with an appKey header issued from the SK open API dashboard.

## Machine-readable artifacts (8)

- **Documentation** — https://openapi.sk.com/products/detail?svcSeq=67
- **APIReference** — https://ax-tts-skopenapi.readme.io/reference/text-to-speech-tts
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/sk-telecom/refs/heads/main/openapi/sk-telecom-ax-tts-openapi.json
- **GettingStarted** — https://ax-tts-skopenapi.readme.io/reference/getting-started-with-ax-tts-api
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/sk-telecom/refs/heads/main/overlays/sk-telecom-ax-tts-overlay.yaml
- **LLMsTxt** — https://raw.githubusercontent.com/api-evangelist/sk-telecom/refs/heads/main/llms/sk-telecom-ax-tts-llms.txt
- **AgentSkill** — https://raw.githubusercontent.com/api-evangelist/sk-telecom/refs/heads/main/skills/sk-telecom-synthesize-korean-speech.md
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/sk-telecom/refs/heads/main/apis.yml

## Other SK Telecom APIs (12)

- [SK Telecom A. facecan API](https://apis.io/apis/sk-telecom/sk-telecom-facecan-api/)
- [SK Telecom Puzzle Place Congestion API](https://apis.io/apis/sk-telecom/sk-telecom-puzzle-place-congestion-api/)
- [SK Telecom Puzzle Residence API](https://apis.io/apis/sk-telecom/sk-telecom-puzzle-residence-api/)
- [SK Telecom META API](https://apis.io/apis/sk-telecom/sk-telecom-meta-api/)
- [SK Telecom OVS API](https://apis.io/apis/sk-telecom/sk-telecom-ovs-api/)
- [SK Telecom Geovision Floating Population API](https://apis.io/apis/sk-telecom/sk-telecom-geovision-api/)
- [SK Telecom Puzzle Subway Congestion API](https://apis.io/apis/sk-telecom/sk-telecom-puzzle-subway-congestion-api/)
- [SK Telecom Puzzle Domestic Travel API](https://apis.io/apis/sk-telecom/sk-telecom-puzzle-travel-api/)
- [SK Telecom Puzzle Restaurant API](https://apis.io/apis/sk-telecom/sk-telecom-puzzle-restaurant-api/)
- [SK Telecom Puzzle Academy API](https://apis.io/apis/sk-telecom/sk-telecom-puzzle-academy-api/)
- [Passkey by SK Telecom API](https://apis.io/apis/sk-telecom/sk-telecom-passkey-api/)
- [SK Telecom T ID Login API](https://apis.io/apis/sk-telecom/sk-telecom-t-id-api/)

## Tags

Artificial Intelligence, Speech, Text-to-Speech, Korean

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/sk-telecom/sk-telecom-ax-tts-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/sk-telecom/.