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Claude Docs
platform.claude.com › docs › en › get-started
Get started with Claude - Claude Docs
An API key · cURL · cURL · Python · Python · TypeScript · TypeScript · Java · Java · Now that you have made your first Claude API request, it's time to explore what else is possible: Working with Messages · Learn common patterns for the Messages API.
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Pickaxe
pickaxe.co › post › how-to-get-your-claude-api-key-a-step-by-step-guide
How to get your Claude API key: A step-by-step guide (2025) - Pickaxe Blog
October 28, 2025 - If you don't have any keys, it will be empty. Look for the “+Create Key” button on the top right corner and click on it. Then you'll be prompted with a pop-up to name and create a new Claude API key.
Discussions

cannot create API keys in the claude code workspace
Support answered that it's expected behavior, as Claude API keys can not be generated on the console website. More on reddit.com
🌐 r/ClaudeAI
2
4
March 18, 2025
A "Just use API" Guide
Beware of users hocking their own UI products. They like to respond personally to say this thing they found is the best, not revealing it is theirs until you grill them. I use LibreChat. It's okay. Very jittery when generating answers, but it works. Also does caching. Installing on Docker on a mac was not fun, but just a one time hassle. I've used AnythingLLM. It's much easier to install. IDK anything else about it. Apparently bigAGI is good. That name makes me cringe so I've never tried. Oh also you can generate a new API key whenever you want. If you think someone might have maybe possibly stolen yours just make a new one. It is very very easy. EDIT: Do not worry about the best front end. They all work. Use whatever random one you first think is ok. Keep an eye out on your Anthropic console to make sure your API key hasn't been stolen. More on reddit.com
🌐 r/ClaudeAI
116
287
December 16, 2024
How do I use Claude Code with an existing Anthropic API Key? - Stack Overflow
Instead of going through claude console /login to create a new API key, I would like to use an existing Anthropic API key. How do I get Claude Code to do this? The /login command forces you to More on stackoverflow.com
🌐 stackoverflow.com
How do I get a Claude API key? - Questions - Pickaxe Community Forum
Okay, so I’m a newbie so go easy on me. This might be dumb but I can’t for the life of me figure out how to get or find a Claude API key. I am wondering if someone can explain how I can get a claude API key from Anthropic. I have two questions basically. How/where do I get the Claude api key? More on community.pickaxe.co
🌐 community.pickaxe.co
0
November 16, 2024
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Make
apps.make.com › anthropic-claude
Anthropic Claude - Apps Documentation
with anthropic claude modules in {{product name}} , you can create prompts and manage your files, skills, and skill versions in your anthropic claude account get started easily—no anthropic account or api key required you can send prompts without an anthropic account or connection in make using the simple text prompt (beta) module read more in the /#anthropic claude modules section requirements to use the anthropic claude app in {{product name}} , you must request access to their api at https //www anthropic com/earlyaccess for more information, see the https //docs anthropic com/claude/refe
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Claude API Reference
platform.claude.com › docs › en › api › admin › api_keys › retrieve
Get Api Key - Claude API Reference
curl https://api.anthropic.com/v1/organizations/api_keys/$API_KEY_ID \ -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY" ... { "id": "apikey_01Rj2N8SVvo6BePZj99NhmiT", "created_at": "2024-10-30T23:58:27.427722Z", "created_by": { "id": "user_01WCz1FkmYMm4gnmykNKUu3Q", "type": "user" }, "name": "Developer Key", "partial_key_hint": "sk-ant-api03-R2D...igAA", "status": "active", "type": "api_key", "workspace_id": "wrkspc_01JwQvzr7rXLA5AGx3HKfFUJ" }
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Zapier
zapier.com › productivity › app tips
Claude API: How to get a key and use the API
July 8, 2024 - This guide includes a step-by-step tutorial on how to get a Claude API key, how to call the Claude API, and how to get the responses where you want them.
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Anthropic
anthropic.com › learn › build-with-claude
Anthropic Academy: Claude API Development Guide
Resources to help you get started with Claude, whether you're hacking with us at an event or on your own · Set up your developer account and generate API keys on the Anthropic Console.
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Claude
claude.ai
Claude
Talk with Claude, an AI assistant from Anthropic
Find elsewhere
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Claude
docs.claude.com › en › api › admin-api › apikeys › get-api-key
Get API Key - Claude Docs
Learn more about extending Claude's capabilities with Agent Skills. ... curl "https://api.anthropic.com/v1/organizations/api_keys/apikey_01Rj2N8SVvo6BePZj99NhmiT" \ --header "anthropic-version: 2023-06-01" \ --header "content-type: application/json" \ --header "x-api-key: $ANTHROPIC_ADMIN_KEY" ... { "created_at": "2024-10-30T23:58:27.427722Z", "created_by": { "id": "user_01WCz1FkmYMm4gnmykNKUu3Q", "type": "user" }, "id": "apikey_01Rj2N8SVvo6BePZj99NhmiT", "name": "Developer Key", "partial_key_hint": "sk-ant-api03-R2D...igAA", "status": "active", "type": "api_key", "workspace_id": "wrkspc_01JwQvzr7rXLA5AGx3HKfFUJ" }
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Reddit
reddit.com › r/claudeai › cannot create api keys in the claude code workspace
r/ClaudeAI on Reddit: cannot create API keys in the claude code workspace
March 18, 2025 -

I'm trying to run claude (code) like described in the Claude Code Automate CI and infra workflows documentation.

So, basically I want to run claude (0.2.45) using a correctly set env var: ANTHROPIC\_API\_KEY=sk\_....

But it seems impossible to create API keys in the Claude Code workspace (I'm owner of the Anthropic account). I can create keys in any other Claude workspace.

Did anyone have any similar experience and found a solution?

Thank you!

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Reddit
reddit.com › r/claudeai › a "just use api" guide
r/ClaudeAI on Reddit: A "Just use API" Guide
December 16, 2024 -

Created the below guide that hopefully will assist those who are interested in trying it out - especially those who are frustrated with the paid Anthropic monthly subscription:

What is an API?

API stands for Application Programming Interface. It's a software intermediary that allows two applications to communicate with each other. Think of it as a messenger that takes your request to a provider and delivers the response back to you. In simpler terms, an API is a set of rules and specifications that allows different software applications to interact and share data, regardless of their underlying technologies.

How to Obtain an Anthropic API Key

Here's a detailed guide to getting your Anthropic API key:

  1. Create an Anthropic Account:

    • Go to the Anthropic website (console.anthropic.com) and sign up for an account or log in if you already have one.

  2. Access the API Keys Section:

    • Once you're logged into your account, navigate to your name/profile icon at the top right of your screen. Look for an option labeled "API Keys".

  3. Generate a New API Key:

    • Click on the button "+ Create Key".

    • You'll be prompted to give your key a name. Enter a name and click "Create Key."

  4. Copy and Secure Your API Key:

    • A long string will be displayed, which is your API key. Copy this key immediately and store it in a safe location. You will not be able to view it again, and you'll need to generate a new one if you lose it.

  5. Set up Billing:

    • I put daily limits on usage – just in case. I recommend you do the same.

Important notes:

  • Security: Treat your API key like a password. Do not share it publicly or embed it directly in your code (if applicable). Use secure methods to store and access it.

  • You can always disable your key and create new ones if you feel any have been compromised.

API Limits - Quick Definitions:

  • Rate (Requests Per Minute - RPM): How often you can send requests (Low to Higher).

  • Context (Max Input Tokens): How much the AI remembers (Smaller to Larger).

  • Output (Max Output Tokens): How long the AI's response can be (Shorter to Longer).

Anthropic Tiers:

  • Tier 1:

    • Very low rate limits (50 RPM).

    • Small per minute context input limit (40k-50K input tokens on 3.5 models). This is the real killer for single users.

    • Shorter responses/output (per min).

    • This tier will make you tear your wig off - avoid.

  • Tier 2

    • Higher rate limits (1000 RPM).

    • Moderate per minute context input limit (80k-100k input tokens on 3.5 models).

    • Longer responses/output (per min).

    • I recommend spending the $40 to get to this at least. The majority of users will probably use up their $40 within 3-6 months. Just a guess on my part FYI. Power users can gobble this up in no time, however.

  • Tier 3:

    • Higher rate limits (2000 RPM).

    • Large per minute context input limit (160k-200k input tokens on 3.5 models).

    • Longer responses/output (per min).

  • Tier 4:

    • Highest rate limits (4,000 RPM), which means it can handle more concurrent requests.

    • Very large per minute context input limit (up to 400k input tokens on all models).

    • Longer responses/output (per min).

    • Currently this is the only tier that allows for 3.5 Sonnet's max context window of 200k input tokens (check my hyper link above to see for yourself).

    • You'll need $400 currently to reach this tier.

WARNING - YOUR API CREDITS EXPIRE AFTER 12 MONTHS FROM PURCHASE.

Anthropic Current Models & Context:

  • Claude 3 Opus:

    • Has a max context window of 200k input tokens. 4K max output tokens.

    • Available on all tiers.

  • Claude 3.5 Sonnet:

    • Has a max context window of 200k input tokens. 8K max output tokens.

    • Available on all tiers.

  • Claude 3.5 Haiku:

    • Has a max context window of 200k input tokens. 8K max output tokens.

    • Available on all tiers.

Tier 4 Advantages for Multiple Users:

Tier 4's primary benefit is its high rate limits, allowing for a total of 400,000 input tokens per minute. This capacity means you could, for example, concurrently run multiple 200,000 input token context models at their maximum. This level of throughput is particularly important for applications that experience a high volume of requests.

Why Tier 4 Matters for High Traffic:

  • Handles Concurrent Requests: Tier 4 is designed to efficiently manage simultaneous requests from many users.

  • Prevents Overloads: Lower tiers can become overwhelmed with a large number of users submitting queries, causing slowdowns. Tier 4 prevents these bottlenecks, ensuring smooth operation.

  • Supports Sustained High Usage: Tier 4 is ideal for applications requiring consistent support for heavy request loads.

Tier 4 for the Single User:

As a single, "power" user, Tier 4 essentially removes all limitations on your usage.

To clarify - Tier 4 allows up to 400k input tokens of TOTAL context per minute. It does NOT allow for any particular model to extend its context input token window capability.

Platforms for Using Anthropic API Keys

Here are some popular platforms, categorized by their nature:

Free Platforms (just a sample of some I use):

  • Anthropic Console Workbench: The Anthropic website itself provides a Workbench where you can experiment with the API directly in your browser. This is a good place to start exploring.

  • TypingMind (Limited): Decent number of features for free - but ads are annoying. Check it out. Free is browser based only I believe.

  • ChatBox (Community Edition): The commercial product is also free and easy to install locally - however read the privacy policy and be sure you are good with it (I'm serious). They have a browser based one here (again, read privacy policy): Chatbox.

  • Msty (Limited): Good free feature set. Nice UI.

Paid Platforms (just a sample of some I use):

  • TypingMind (Full Featured/Lifetime purchase): Onetime payment (try to catch it on sale sub $100) and also has a local install option if you are tech savvy enough. The unique thing about this is that you can utilize things like "Canvas" across multiple API vendors (Anthropic for example).

  • 16x Prompt: I use this for coding heavily. Check it out.

  • Msty (Lifetime): I have not used this, but I have a friend who loves the additional features that the paid version brings.

Open-Source Platforms (just a sample of some I use):

  • Open WebUI: An open-source platform for building AI agents and workflows that supports various model providers, including Claude. Install with pinokio - far easier to get you set up on it if you are unfamiliar with Docker.

  • LibreChat (Advanced Setup): No pinokio installation method as of yet but another incredibly featured free open-sourced product that just released Agents as well. They also released a code interpreter feature that is not free - however if you have a need for something like this you'd understand why (sandboxed environment).

Plenty of vendor options out there I'm sure - just be sure your keys are stored securely and be sure to actually read the Privacy Policy with all of them (I can't stress this enough).

WARNING: This is NOT a thread for devs to blatantly promote their product. I am not associated with ANY of the above recommendations. I have contributed to the Open WebUI platform by creating some popular functions - but that is about it.

Hope this helps!

Edit: Modified some things. Removed my statement regarding my preference for keys not being stored in browsers - again, generally a non-issue for most. Unique issue just for me.

🌐
Pickaxe
community.pickaxe.co › general › questions
How do I get a Claude API key? - Questions - Pickaxe Community Forum
November 16, 2024 - Okay, so I’m a newbie so go easy on me. This might be dumb but I can’t for the life of me figure out how to get or find a Claude API key. I am wondering if someone can explain how I can get a claude API key from Anthropic. I have two questions basically. How/where do I get the Claude api key?
🌐
Storylane
storylane.io › tutorials › how-to-get-claude-api
How to Get Claude API: 1-Min Guide
3 weeks ago - All Tutorials /Claude · Updated on: Month · 4, 2025 · By: ‍ · ‍ · Here's how to do it: ‍ · Go to Anthropic page and og into your account or create a new account: Anthropic · In your account dashboard, click on "Get API Keys".
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HeyHelp
heyhelp.ai › home › how to get claude api keys
Claude API Keys: How to Set Them Up for Automation | HeyHelp
October 10, 2025 - AI provider API keys are the only ... such as Claude, seamlessly. Instead of using individual prompts, you can automate certain AI-driven workflows, such as chatbot responses or data extraction by setting up an integration. But of course, using single passwords would be a hassle (and not secure enough). That’s why API keys help: they are alphanumeric datasets created for each AI ...
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Reddit
reddit.com › r/claudeai › claude code with api key?
r/ClaudeAI on Reddit: Claude Code with API key?
April 11, 2025 -

I'm a bit confused about how claude code work for payment. I've been logging in with my personal account and paying for credits but now I have an API key from my employer which I'd like to use. I also have a Claude Desktop subscription from my employer, but when I log in with that for Claude Code I'm still prompted to pay for my own credits and I don't see how to enter my API key.

I must be misunderstanding something - does anyone have any tips?