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Start freeGPT-5 · Claude · DeepSeek V4 · Qwen3 — in ₹One OpenAI-compatible endpointBilled in rupeesGST invoiceNo international cardGet started →Start freeGPT-5 · Claude · DeepSeek V4 · Qwen3 — in ₹One OpenAI-compatible endpointBilled in rupeesGST invoiceNo international cardGet started →
Developer Guides

Anthropic (Claude) billing in India

Use Claude Opus & Sonnet via unoblox in rupees. Anthropic doesn't accept Indian payments; we do. GST invoice included.

Get Claude in rupees—no international card required

Anthropic's official API requires an international credit card. Indian developers who route around this typically lose 3–5% to card-network markups and never see a GST invoice. unoblox routes Claude through India, invoiced in rupees with full GST compliance.

Claude models in rupees (per 1M tokens)

ModelInputOutputContextBest for
Claude Sonnet₹201.6₹1,008Long contextAnalysis, coding, long-form
Claude Opus₹504₹2,520Long contextDeep reasoning, complex tasks

Example cost: A 50k-input, 5k-output Claude Sonnet call costs ₹10.08 + ₹5.04 = ₹15.12 via unoblox. Paying Anthropic directly through an international card, with the card network's markup layered in, the same call typically lands noticeably higher. Zero code changes, one rupee invoice.

How to switch (30 seconds)

Current code (Anthropic direct)

from anthropic import Anthropic

client = Anthropic(
    api_key="sk-ant-..."
)

Updated code (unoblox)

from anthropic import Anthropic

client = Anthropic(
    api_key="ub-gw-YOUR_KEY",
    base_url="https://api.unoblox.ai/v1"
)

Same client.messages.create() calls, same responses—just ₹ billing and a GST invoice.

What stays the same, what changes

FeatureAnthropic directunoblox
Vision supportYesYes
Tool useYesYes
Extended thinkingModel-dependentModel-dependent
StreamingYesYes
Model versionsAlways latestAlways latest
GST invoiceNoYes
ITC claimableNoYes

Frequently asked questions

Q: If Anthropic's prices change, do yours update automatically?

Yes. We sync pricing within days of any change. New requests use new rates; your existing balance is unaffected.

Q: Can I use the same API key for Claude and other models (GPT, Qwen)?

Yes. One ub-gw-… key routes to any model—just change the model parameter:

model="anthropic/claude-sonnet"  # Claude
model="openai/gpt-4o"            # GPT
model="qwen/qwen3-max"           # Qwen

Q: What if my code breaks on unoblox?

Unlikely—the API is Anthropic-compatible by design. If something doesn't match, send support@unoblox.ai your code and the error; most issues resolve within a day.

Q: Do I need to keep my Anthropic API key active?

No. Once you've switched, deactivate it on Anthropic's console to avoid accidental use. unoblox handles all traffic going forward.

Q: Is there a minimum monthly spend?

No. It's pay-as-you-go—spend ₹100 one month and ₹1,00,000 the next, with no contract in between.

Q: Can I claim the 18% GST as input tax credit?

Yes, if you're a GST-registered business. Every invoice lists the GST amount so your accountant can file it under GSTR-2.

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

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Start building in rupees

Call every major model through one OpenAI-compatible endpoint, billed in ₹ on a GST invoice.