Anthropic API Alternative in India | unoblox

Calling Claude straight from Anthropic means its own account, its own SDK and wire format, and a bill that settles internationally with no domestic GST invoice to claim against. unoblox puts the same Claude models behind the OpenAI-compatible endpoint you may already be using for other models — one key, billed in rupees.

Calling Claude directly

Anthropic's own API is a solid, well-documented product: sign up on their console, generate a key, and call the Messages API with their SDKs or plain HTTP. For a team that only ever calls Claude, that's a perfectly reasonable path.

What changes on unoblox

The Claude models themselves are the same — what unoblox changes is the interface around them. Requests go through /v1/chat/completions in the OpenAI wire format, so streaming, tool calls and JSON mode behave the way they already do for your other models. Billing rolls into one monthly GST invoice in rupees, and there's no international card or separate Anthropic account to set up.

Worth stating plainly: your prompts and completions still run on Anthropic's own infrastructure, exactly as if you called Anthropic directly. unoblox changes the endpoint, the key and the invoice — not where the model itself executes.

Claude pricing in rupees

Model	Input ₹ / 1M tokens	Output ₹ / 1M tokens
Claude Opus	₹504	₹2,520
Claude Sonnet	₹201.6	₹1,008

Other Claude versions — including Haiku, Fable, and prior Opus and Sonnet builds — are listed with live rates on /models; only the two rates above are fixed here.

One call, the model name is the only new part

curl https://api.unoblox.ai/v1/chat/completions \
  -H "Authorization: Bearer ub-gw-xxxxxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{"model":"anthropic/claude-sonnet-5","messages":[{"role":"user","content":"Review this pull request description for clarity."}]}'

Why some teams still call Anthropic directly

If Claude is the only model your product will ever use, and a rupee-denominated GST invoice doesn't change anything for your finance team, calling Anthropic directly is one less layer to reason about, and that's a legitimate choice. unoblox earns its place once Claude becomes one of several models in your stack, or once an Indian GST invoice is what your finance team actually needs to close the books cleanly.

Frequently asked questions

Do I need a separate Anthropic account to use Claude through unoblox? No — one unoblox key authenticates against Claude and every other model on the catalog.

Is my data still processed by Anthropic's infrastructure? Yes. unoblox doesn't change where Claude runs — only the endpoint, key and rupee invoice around the request.

Can I mix Claude and other models under the same key? Yes — Claude, GPT, DeepSeek, Qwen and the rest of the catalog all sit behind the same endpoint and key.

Does streaming and tool use work the same way as calling Anthropic directly? Yes — streaming, tool calls and JSON mode all work through the OpenAI-compatible endpoint.

Which Claude model should I start with? Depends on the task — see /models for the full lineup, including Haiku and Fable variants alongside Opus and Sonnet.

Is unoblox cheaper than calling Anthropic directly? The real, verifiable difference is billing convenience — rupees, one GST invoice, one endpoint — rather than a cost claim either way.

Get started in rupees → https://unoblox.ai/sign-in