How much does Claude API cost?

Claude API pricing is per-token. Anthropic's current public rates are $1/$5 per 1M tokens for Haiku 4.5, $3/$15 for Sonnet 4.6, and $5/$25 for the Opus tier. ClaudeStore sells discounted Anthropic-equivalent usage packs: $45 buys $500 of usage and $90 buys $1,000. Opus 4.8 is available through the same API3 balance.

Claude API is not free — it uses pay-per-token pricing. ClaudeStore sells discounted credit packs starting at $45 ($500 of Anthropic-equivalent usage) with no subscription. Sign up to manage credits and API keys from a single dashboard.

Which models are available?

ClaudeStore gives one-key access to the current Opus, Sonnet, and Haiku families, including Claude Opus 4.7, Claude Opus 4.8, Claude Sonnet 4.6, and Claude Haiku 4.5.

Which Claude model is best for coding?

Claude Sonnet 4.6 is the default choice for daily coding and agent workflows. Use Opus 4.7 or Opus 4.8 for complex refactors, architecture, long sessions, and high-stakes reasoning; use Haiku 4.5 for fast low-cost tasks.

What base URL should I use?

Use https://api3.claudestore.store as your base URL. For the Anthropic-compatible API, the messages endpoint is POST /v1/messages. For OpenAI-compatible, it's POST /v1/chat/completions.

What's the difference between Anthropic and OpenAI-compatible modes?

Anthropic mode uses x-api-key header and anthropic-version header with the Messages API format. OpenAI mode uses Authorization: Bearer header with the Chat Completions format. Both access the same Claude models.

How do I get a Claude API key?

Sign up at ClaudeStore, purchase credits (starting from $5), and generate an API key from your dashboard. The entire process takes under 2 minutes, no approval, instant access to all Claude models.

What are the rate limits?

ClaudeStore uses protective per-key and global gateway limits rather than a fixed public RPM table. If you hit 429, respect Retry-After, reduce concurrency, and contact support for sustained higher throughput.

Buy Claude API Access — All Models, One Platform

Buy Claude API keys and get unified access to all Claude models through Anthropic-compatible and OpenAI-compatible APIs. Integrate with Cursor, Claude Code, VS Code, and any SDK in minutes, then monetize your audience with claimable rewards in API usage or Solana USDT.

Anthropic-equivalent packs

$500to$45

$1,000to$90

One gateway for Claude Code, Cursor and production API calls.

base_url: api3.claudestore.store

key: sk-cs2-*

Start with credits

Claude Models

API Formats

99.9%

Uptime

<100ms

Overhead

Setup in minutes

Connect once. Work anywhere.

ClaudeStore keeps setup simple: one API3 balance, one key, and clear guides for every popular coding tool. The full one-prompt setup opens after signup.

Claude CodeCursorClineContinueBlackboxOpenAI SDK

Create a key

Generate one sk-cs2-* key in your dashboard.

Pick a tool

Claude Code, Cursor, Cline, Continue, Blackbox or SDK.

Use API3

One endpoint gives access to all supported Claude models.

Anthropic endpoint

api3.claudestore.store

OpenAI-compatible

api3.claudestore.store/v1

Get an API key Full setup guide

Developer workflow

Claude access that feels native in your tools.

Use the same balance for Claude Code, Cursor, agents, SDKs and production requests. Keep setup simple, keep billing visible, keep control per key.

One key

All Claude models, per-key limits and usage in one dashboard.

Two API shapes

Anthropic Messages API and OpenAI-compatible clients.

Streaming ready

SSE streams for coding agents, IDEs and production calls.

Spend control

Caps, request history and token-level usage clarity.

Opus 4.8 is available

Opus 4.8 is included in your API3 balance

Use the same API3 key and balance for Opus 4.8, Opus 4.7, Sonnet 4.6 and the rest of the Claude models. It is built for long, consistent work where premium reasoning and cache reuse matter.

Top up API3

No subscription. Credits never expire.

Simple usage-based pricing

Buy discounted Anthropic-equivalent credits once, then spend them only when API requests run. Every request is visible in your dashboard with token-level detail.

Starter API balance

$500$45

For Claude Code, Cursor and daily agent work.

More Anthropic-equivalent usage

$1,000$90

For active teams, heavier coding sessions and production calls.

Test pack

Try the gateway first: $5 Anthropic-equivalent usage for $2.50.

$5$2.50