Get the AppBuild with API

Bulgarian to Slovenian speech-to-text translation API

Stream Bulgarian (Български) speech and get Slovenian (Slovenščina) back in real time. One WebSocket, ISO codes bg to sl, and ultra-low latency for voice agents and live apps.

Build with API

Trusted by teams building global voice products

Livekit
Krisp
Pipecat
Summary AI
Perplexity
Samsung
Wispr Flow
LG
Agora
Retell AI
Fireflies.ai
Skit.ai
Kindroid
Deliver Health
Truecaller
Journalia
Mobius
TranscribeMe
Vapi
Zomato
SLNG
Japan AI
Boost.ai
Convin
Genspark
HappyRobot
Uniscribe
Jamie.ai
InteractCX
The Plato
MobilApp
Onvego
Wonderful.ai
Manifone
Tana
Transync AI
SotaTek

Production-ready Bulgarian to Slovenian translation API

Real Bulgarian speech includes accents, regional dialects, code switching, and domain-specific vocabulary. Soniox recognizes it in a single model and streams Slovenian while the speaker is still talking.

Bulgarian and Slovenian both belong to the Indo-European > Slavic > South Slavic family, so cognates and shared structure carry over cleanly into the translated Slovenian output.

Bulgarian is written in Cyrillic and Slovenian in Latin, so Soniox emits correctly scripted Slovenian text.

Real-time Bulgarian to Slovenian translation

Soniox streams the Bulgarian transcript and the Slovenian translation on the same connection, word by word, so meaning lands while the speaker is still talking.

Live Transcription
BulgarianTranscript

SlovenianTranslation

One-way translation

Translate live Bulgarian into Slovenian. Everyone in the conversation sees the same translated stream.

YouTube

Two-way Bulgarian and Slovenian conversation

Each side speaks naturally and hears the other in their own language. Use it for live interpreters, bilingual voice agents, travel assistants, and customer support.

Live Conversation
Bulgarian

Bulgarian and Slovenian through a single stream

Set the source and target codes once. Transcript and translation arrive interleaved on one labeled token stream, with no extra round trip.

config.json
{
  "model": "stt-rt-v5",
  "translation": {
    "type": "one_way",
    "source_language": "bg",
    "target_language": "sl"
  }
}

A breakthrough in real-time Bulgarian to Slovenian translation

Translate before the sentence ends

Slovenian meaning lands as Bulgarian is spoken, not after the caption catches up.

Directional bg to sl streaming

Set the source and target codes once. Both arrive in a single labeled token stream.

Native-speaker Bulgarian STT accuracy

Accurate Slovenian translation starts with accurate Bulgarian recognition across accents and language switching.

Names, numbers, and domain terms

Preserved across the pair, including phone numbers, emails, and IDs.

Bulgarian to Slovenian translation is built on top of the Soniox Speech-to-Text API. Turn it on by adding a translation block to your request.

Explore the translation docs

Estimate your Bulgarian to Slovenian translation cost

Set your monthly audio volume to estimate your Soniox API cost for real-time speech-to-text translation.

Pricing calculator

Stop overpaying for Bulgarian speech AI

Sonioxvs

1,000 hours of audio / month

1025501002505001k2.5k5k10k100k

Pricing assumptions

Based on public pay-as-you-go pricing. Enterprise discounts and committed-use contracts may differ. Some providers charge separately for certain features. The calculator uses the public price for the provider configuration that most closely matches Soniox.

Translate Bulgarian to any language

From Bulgarian to Slovenian, or Bulgarian to any of 60+ supported languages. All real-time.

AfrikaansAlbanianArabicAzerbaijaniBasqueBelarusianBengaliBosnianCatalanChineseCroatianCzechDanishDutchEnglishEstonianFinnishFrenchGalicianGermanGreekGujaratiHebrewHindiHungarianIndonesianItalianJapaneseKannadaKazakhKoreanLatvianLithuanianMacedonianMalayMalayalamMarathiNorwegianPersianPolishPortuguesePunjabiRomanianRussianSerbianSlovakSlovenianSpanishSwahiliSwedishTagalogTamilTeluguThaiTurkishUkrainianUrduVietnameseWelsh

Frequently asked questions

How do I translate Bulgarian to Slovenian with the API?
Add a translation block to your real-time request with source_language "bg" and target_language "sl". Soniox transcribes Bulgarian and streams the Slovenian translation over the same WebSocket.
Is Bulgarian to Slovenian translation real-time?
Yes. Soniox streams Slovenian while Bulgarian is still being spoken, so meaning arrives mid-sentence instead of after the sentence ends.
What about translating Slovenian to Bulgarian?
That direction is supported too. See the Slovenian to Bulgarian page, or use two-way translation to run both directions in one session.
Does Soniox handle Cyrillic to Latin output?
Yes. Soniox outputs correctly scripted Slovenian text in Latin directly in the token stream.
Bulgarian and Slovenian are both Indo-European > Slavic > South Slavic — does that affect quality?
Shared family structure and cognates generally help. Soniox uses the same model for every pair, so quality stays consistent whether the languages are closely related or not.
Does Soniox handle Bulgarian dialects and accents?
Yes. Soniox handles Bulgarian dialects like Eastern Bulgarian and Western Bulgarian in a single model, so Slovenian translation stays accurate across regions.
Which other providers support Bulgarian to Slovenian?
Based on their public docs, OpenAI, Azure, and Speechmatics list both Bulgarian and Slovenian for real-time translation. Soniox is the only one that also supports two-way live translation across 60+ languages.
How fast is Bulgarian to Slovenian translation?
Soniox streams Slovenian as Bulgarian is being spoken, with ultra-low latency. Translation arrives before the sentence ends.

Ready to get started?

Create an account instantly, or contact us to design a custom package for your business.

Build with API

Documentation

Get up and running in minutes and spend your time building, not wrestling with the API.

Explore docs

See what you’ll pay

Pay only for what you use with our flexible pricing. Built to scale with you.

Pricing details