How to Get a Claude API Key
A step-by-step guide to getting a Claude API key and making your first request — with Python, TypeScript, and curl examples.
Claude API Pricing, Explained
Understand how Claude API pricing works — input vs output tokens, prompt caching, and how to estimate the cost of a request.
The Cheapest Way to Use the Claude API
Practical ways to reduce your Claude API bill without losing quality — model selection, prompt caching, output limits, and more.
Unlimited Cursor with the Claude API
Run Cursor IDE on a flat-rate unlimited Claude plan. Full setup walkthrough, advanced workflows, model selection, troubleshooting, and why unlimited fits heavy Cursor usage.
Unlimited Claude Code Access
Run Claude Code CLI on a flat-rate unlimited API. Environment variables, model mapping, subagents, agent teams, headless mode, and why unlimited access fits Claude Code's quadratic token growth.
Claude API Gateway vs. Anthropic Direct
An honest comparison of using a Claude API gateway versus the Anthropic API directly — cost, access, and trade-offs.
Using Claude Through an OpenAI-Compatible API
Call Claude models using the OpenAI Chat Completions format — useful for tools and SDKs built around OpenAI.
Claude Models Compared
A practical comparison of the Claude model family — Opus 4.8, Sonnet 4.6, Haiku 4.5, and Fable 5 — and when to use each.
What 'Unlimited' Claude API Access Means
An honest look at flat-rate unlimited Claude plans — how they work, fair-use rate limits, and who they suit.
Paying for the Claude API with Crypto
How to pay for Claude API access using cryptocurrency — supported coins and how the prepaid balance works.
Claude API Access Without a Waitlist
Get Claude API access instantly without an Anthropic account or waitlist, in most regions worldwide.
How to Reduce Claude Token Usage
Concrete techniques to use fewer tokens on the Claude API without hurting output quality.
Unlimited Cline with the Claude API
Connect Cline to a flat-rate unlimited Claude API. Full setup for Anthropic and OpenAI-compatible providers, Plan/Act mode, MCP, Computer Use, and why unlimited fits Cline's heavy token consumption.
Unlimited Roo Code with the Claude API
Run Roo Code on a flat-rate unlimited Claude API. Configuration profiles, per-mode model assignment, Orchestrator subtasks, custom .roomodes, and why unlimited access fits Roo Code's multiplied API consumption.
Unlimited Claude in JetBrains IDEs
Connect any JetBrains IDE to flat-rate unlimited Claude via the Continue plugin. Shared config.yaml, provider setup, role assignments, per-project overrides, and why unlimited fits JetBrains heavy workflows.
Unlimited Aider with the Claude API
Connect Aider to a flat-rate unlimited Claude API. Native Anthropic path, OpenAI-compatible path, architect mode, repo map, weak-model split, and why unlimited access matches Aider's multi-call refactoring style.
Unlimited Claude in VS Code
Three paths to unlimited Claude in VS Code: Continue for chat and inline edits, Cline for full autonomous agents, Roo Code for orchestrated multi-mode workflows. Setup comparison, when to use each, and why unlimited access fits VS Code's always-on AI usage.
Unlimited OpenCode with the Claude API
Configure OpenCode with a flat-rate unlimited Claude API. Custom providers in opencode.json, parallel subagents, Build/Plan agents, MCP integration, and why unlimited suits OpenCode's continuous terminal workflows.
Running an Unlimited Hermes Agent on Claude
Deploy Hermes Agent on flat-rate unlimited Claude. Environment setup, custom providers, subagent delegation, cron scheduling, multi-channel gateway, learning loops, and why unlimited fits Hermes's 24/7 autonomous operation.
Running Unlimited OpenClaw on Claude
Deploy OpenClaw on flat-rate unlimited Claude. Provider configuration in openclaw.json, anthropic-messages API type, hub-and-spoke gateway, 50+ channels, skills injection, and why unlimited fits OpenClaw's always-on multi-channel inference.
What an Anthropic-Compatible API Means
Understand Anthropic-compatible APIs - the Messages API format, and how a drop-in gateway works with existing Claude code.
Claude Code API Key — How to Get and Set Up
Step-by-step guide to getting a Claude Code API key, setting ANTHROPIC_BASE_URL, verifying with /status, and claiming $5 free credit with WELCOME5.
Claude Code API Costs — Pricing and How to Cut Them
Understand real Claude Code API costs, why token usage grows quadratically, and how unlimited flat-rate plans eliminate unpredictable billing.
Claude API Errors — Rate Limits, 400, 500, 529 Fixes
Fix Claude API errors: 400 bad request, 429 rate limit reached, 500 server error, and 529 overloaded_error. Real causes, retry logic, and how a gateway reduces them.
How to Buy Claude API Credits
Step-by-step guide to buying Claude API credits — registration, payment methods (card and crypto), WELCOME5 promo, and when to choose unlimited instead.
Unlimited Claude Usage — Plans and Pricing
Unlimited Claude usage plans explained — 1-day and 1-week flat-rate pricing, what unlimited means, included models, how to extend, and comparison to Anthropic limits.
Unlimited Claude Opus 4.8 Access
Get unlimited access to Claude Opus 4.8 — the strongest reasoning model with 1M context. Why Opus is expensive, who needs it, and how flat-rate access removes the cost barrier.
Claude API Free Trial — Get $5 Free Credit
Get $5 free Claude API credit with promo code WELCOME5 — enough for ~1M Sonnet tokens. Honest answer on free API access and the upgrade path to unlimited.
Claude API vs Claude Pro/Max Subscription — Which to Choose
Honest comparison of Claude API access vs Claude Pro and Max subscriptions — features, limits, pricing, and which fits developers vs casual users.
Unlimited Claude Code Usage — No Token Limits
Remove token limits from Claude Code with flat-rate unlimited access. Why official plans hit limits fast, setup in 2 env vars, and workflows that become possible without caps.
How to Get Unlimited Claude Usage
The honest breakdown of all ways to get unlimited Claude usage — Max subscription limits, flat-rate gateways, why free unlimited does not exist, and step-by-step setup.
How to Get an Unlimited Claude API Key
Get a flat-rate unlimited Claude API key with no per-token billing. How it works, what unlimited means in practice, supported models, fair-use rate limits, setup steps, and common questions about unlimited Claude access.
Using Claude in Codex
Buy a Claude API key and run OpenAI's Codex CLI on Claude in minutes — config.toml provider, wire protocol, model id, no Anthropic account needed.
Connecting Claude to n8n
Buy a Claude API key and wire it into n8n's Anthropic node in minutes — Base URL field, the '/v1/models' fix, AI Agent workflows, no Anthropic account.
Using LiteLLM with a Claude Key
Buy a Claude API key and route LiteLLM to it — model_list prefix, api_base, the suffix gotcha, one OpenAI-compatible endpoint for all your apps.
Using Claude in Kilo Code
Buy a Claude API key and drive the Kilo Code VS Code extension on Claude — provider choice, custom base URL, model id, no Anthropic account or waitlist.
Claude in GitHub Copilot — No Anthropic Account Needed
Drop Claude into GitHub Copilot using a purchased key from claudeapikey.dev — no Anthropic signup or waitlist. Custom Endpoint, Messages API type, and WELCOME5 for $5 of free credit to test it.
Claude in Zed — Instant Key, No Waitlist
Set up the Zed editor with a purchased Claude key from claudeapikey.dev — no Anthropic account required. Use the openai_compatible block (Zed's native provider has no api_url), and start with WELCOME5 for $5 free credit.
Claude in Cherry Studio — Buy a Key, Start Chatting
Add Claude to Cherry Studio with a purchased key from claudeapikey.dev — no Anthropic account or waitlist. Anthropic-type provider, API Host at the host root, the # lock, and WELCOME5 for $5 free credit.
Claude in LangChain — Just Add a Key
Build LangChain apps on Claude with a purchased key from claudeapikey.dev — no Anthropic account or waitlist. ChatAnthropic base_url at the root, the env route, the ChatOpenAI /v1 variant, and WELCOME5 for $5 free credit.
Factory Droid on Claude — No Anthropic Account
Run Factory's Droid CLI on Claude with a purchased key from claudeapikey.dev — no Anthropic signup or waitlist. customModels in settings.json, provider anthropic, ${VAR} apiKey, and WELCOME5 for $5 free credit.