Bulgarian to French speech-to-text translation API

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

Build with API

You speak one language — we instantly translate to another.

Trusted by teams building global voice products

Production-ready Bulgarian to French translation API

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

Bulgarian (Indo-European > Slavic > South Slavic) and French (Indo-European > Romance > Western Romance) come from different language families, so word order and morphology differ. Soniox reorders meaning in-stream instead of word by word.

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

Real-time Bulgarian to French translation

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

Live Transcription

BulgarianTranscript

FrenchTranslation

One-way translation

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

YouTube

Two-way Bulgarian and French 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 French 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": "fr"
  }
}

A breakthrough in real-time Bulgarian to French translation

Translate before the sentence ends

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

Directional bg to fr streaming

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

Native-speaker Bulgarian STT accuracy

Accurate French 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 French 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 French 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 French, or Bulgarian to any of 60+ supported languages. All real-time.

Frequently asked questions

How do I translate Bulgarian to French with the API?

Add a translation block to your real-time request with source_language "bg" and target_language "fr". Soniox transcribes Bulgarian and streams the French translation over the same WebSocket.

Is Bulgarian to French translation real-time?

Yes. Soniox streams French while Bulgarian is still being spoken, so meaning arrives mid-sentence instead of after the sentence ends.

What about translating French to Bulgarian?

That direction is supported too. See the French 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 French text in Latin directly in the token stream.

Does Soniox handle Bulgarian dialects and accents?

Yes. Soniox handles Bulgarian dialects like Eastern Bulgarian and Western Bulgarian in a single model, so French translation stays accurate across regions.

Which other providers support Bulgarian to French?

Based on their public docs, OpenAI, Azure, and Speechmatics list both Bulgarian and French for real-time translation. Soniox is the only one that also supports two-way live translation across 60+ languages.

How fast is Bulgarian to French translation?

Soniox streams French 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