These companies process data so VULK can run. Each row says what the supplier does and where it runs. For AI suppliers, the last column says what its terms allow on training.
AI models run outside the EU, mostly in the United States, so your prompts and files leave the EU when a model reads them.
AI models
These suppliers receive your prompts and files when a model runs.
| Supplier | What it does | Where | Training |
|---|---|---|---|
| Anthropic | Runs Claude text models. VULK calls it directly. | United States | No training |
| OpenRouter | Routes calls to text models other than Claude, and to image, video and voice models. | United States | No training |
| Text model hosts on OpenRouter | Run text models other than Claude. On every plan, each request refuses hosts without a no-training policy. The list follows this table. | Mostly United States; also Singapore, France, the Netherlands, Sweden, China and Indonesia | No training |
| Image and video hosts on OpenRouter | Google, OpenAI, Azure, Alibaba Cloud, ByteDance Seed, MiniMax, Runway, Krea, SpaceXAI, Tencent Cloud and AtlasCloud create images and video. | United States, Singapore and China | No training |
| Sourceful | Creates images with transparent backgrounds (Riverflow). | United Kingdom | No training |
| Black Forest Labs | Creates images (FLUX). | Not published by the supplier | No training |
| Recraft | Creates images and vector graphics. | United States | No training |
| ElevenLabs | Creates voiceovers. | United States | No training |
| Replicate | Runs video, image and 3D models: Kling, Seedance, Wan, Seedream, Trellis and Hunyuan. | United States | Not confirmed |
| Tencent Cloud | Turns images and text into 3D models (Hunyuan 3D). | Singapore | Allowed by its terms |
| Uthana, through Replicate | Animates humanoid characters. Accounts on Max, Business and Enterprise send it no data. | United States | Allowed by its terms |
How to read the training column
- No training: The supplier's terms or published policy say it does not train on this data.
- Not confirmed: The supplier's terms allow training unless the account opts out, or they do not say.
- Allowed by its terms: The supplier's terms let it use this data to improve its models.
Text hosts with a no-training policy on November 2, 2026
Alibaba Cloud Int., Amazon Bedrock, AtlasCloud, Azure, Baidu Qianfan, Baseten, Chutes, Cloudflare, Cohere, CoreWeave, Crusoe, Decart, DeepInfra, DekaLLM, DigitalOcean, Fireworks, Friendli, GMICloud, Google AI Studio, Google Vertex, Inceptron, inference.net, io.net, Ionstream, Mistral, Modal, Moonshot AI, Morph, Nebius Token Factory, NovitaAI, Open Inference, OpenAI, Parasail, Pareto Alpha, Perplexity, Phala, Sail Research, SiliconFlow, StreamLake, Tenstorrent, Together, Venice, Wafer, Z.ai.
Hosting and storage
These suppliers store and serve your account and project data.
| Supplier | What it does | Where |
|---|---|---|
| Amazon Web Services | Main database and secrets. | Germany (Frankfurt) |
| Hetzner | Application servers, previews, the databases of generated apps and the support chat. | Germany (Falkenstein) and Finland (Helsinki) |
| Cloudflare | Content delivery, DNS, file storage and published apps. | Global network. Stored files use Cloudflare's Western Europe location hint. |
Payments and invoices
These suppliers handle payment and invoice data. VULK never sees your card number.
| Supplier | What it does | Where |
|---|---|---|
| Stripe | Subscriptions and card payments. | Ireland and United States |
| PayPal | Payments, when you choose PayPal at checkout. | Luxembourg and United States |
| InvoiceXpress | Issues invoices under Portuguese tax rules. | Portugal |
Email, support and stock photos
These suppliers carry messages to you and to the VULK team, and supply stock photos for your projects.
| Supplier | What it does | Where |
|---|---|---|
| Resend | Sends account and product email. | United States |
| Amazon SES | Receives replies to support email. | United States |
| Hostinger | Mailboxes for @vulk.dev addresses. | France |
| Telegram | Sends the VULK team alerts about errors and support requests. | Netherlands |
| Pexels and Unsplash | Stock photo search. They receive the search words only. | Germany and Canada |
Error reports and product analytics
These suppliers help VULK find errors and measure how the product works.
| Supplier | What it does | Where |
|---|---|---|
| Sentry | Error reports, with personal data scrubbed. | Germany |
| PostHog | Product analytics. | European Union |
Services you connect
These suppliers receive data only when you connect them to your account or project.
| Supplier | What it does | Where |
|---|---|---|
| GitHub | Code export and sign-in. | United States |
| Sign-in and Google Play publishing. | United States | |
| Apple | Sign-in and App Store publishing. | United States |
Website analytics
Code Ahead acts as controller for this data. Plausible sets no cookies. The others load only after you accept them in the cookie banner.
| Supplier | What it does | Where |
|---|---|---|
| Plausible | Counts site visits, with no cookies. | European Union |
| Google Analytics and Google Ads | Visit statistics and ad measurement. | United States |
| Meta | Ad measurement. | Ireland and United States |
| Microsoft Clarity | Session recordings and heatmaps. | United States |
| OpenAI | Ad measurement. | United States |
When this list changes
We publish each new or replaced supplier here at least 30 days before it starts. To object, write to [email protected] in that time.