How to Set Up Your OpenClaw Brave API Key: Complete Configuration Guide

If you've set up OpenClaw as your personal AI assistant, you've probably noticed it can't search the web out of the box. That's where the Brave Search API comes in. Getting your OpenClaw Brave API key configured properly transforms your AI assistant from a standalone tool into something that can pull real-time information from the internet.

This guide walks you through everything you need to know about setting up, configuring, and troubleshooting your Brave API key for OpenClaw.

Quick Answer: What You Need to Know

The OpenClaw Brave API key connects your AI assistant to Brave's independent search index, enabling real-time web searches. You can configure it three ways: using the openclaw configure --section web command (recommended), setting the BRAVE_API_KEY environment variable, or manually editing ~/.openclaw/openclaw.json. After February 2026, new users receive $5 monthly credits (roughly 1,000 queries) instead of the previous free tier, though existing free plan users remain unaffected.

What Is the OpenClaw Brave API Key and Why Do You Need It?

OpenClaw is an open source AI assistant that runs locally on your device. Unlike cloud-based assistants that constantly phone home, OpenClaw processes most requests right on your machine. But there's one thing it can't do alone: search the web.

That's the job of the Brave Search API. When you ask OpenClaw about current events, recent product launches, or today's weather, it needs to query a search engine. The Brave API key is what gives OpenClaw permission to use Brave's search infrastructure.

Here's why Brave is the default choice:

Privacy-focused architecture. Brave doesn't track your searches or build advertising profiles. Your search queries stay between you and Brave's servers.

Independent web index. Unlike many search APIs that just repackage Google or Bing results, Brave maintains its own crawler and index. This means faster responses and less dependency on big tech infrastructure.

Generous rate limits. Even after the February 2026 pricing changes, the monthly credit allocation covers typical personal assistant usage without breaking the bank.

When OpenClaw needs to search the web, it sends your query to Brave's API, receives structured results, and synthesizes them into a natural language response. Without an API key, web search simply doesn't work.

How Do You Get a Brave Search API Key for OpenClaw?

Getting your API key takes about five minutes. Here's the step-by-step process:

Step 1: Create Your Brave Search API Account

Head to the Brave Search API dashboard at https://brave.com/search/api/ and sign up for an account. You'll need to provide an email address and create a password.

Step 2: Choose Your Plan

Once you're logged in, navigate to the plans section and select the "Data for Search" plan. As of March 2026, new users automatically receive $5 in monthly credits, which translates to roughly 1,000 search queries per month at the base rate of $5 per 1,000 requests.

To get the free monthly credit, you'll need to add attribution to Brave Search API somewhere in your project's website or about page. The free credit tier runs at 1 query per second, which is plenty for personal AI assistant use.

Step 3: Generate Your API Key

In your dashboard, look for the API Keys section and click "Generate New Key." Brave will create a long string of characters that looks something like this:

BSAak8j7HsdfKJH89jkHJKLhj890HJKLhjk890

Copy this key immediately and store it somewhere safe. You'll need it for the configuration steps coming up.

Important Note About the February 2026 Changes

If you're reading this after February 2026, be aware that Brave eliminated its completely free tier. The previous plan offered 2,000 to 5,000 free searches per month with no billing required. Now, new users get $5 in monthly credits but need to provide a credit card. The card becomes an active billing instrument once you exceed your free credits.

Existing users who signed up before February 2026 were grandfathered into the old free plan and remain unaffected by the pricing changes.

What Are the Three Ways to Configure Your Brave API Key in OpenClaw?

OpenClaw gives you flexibility in how you store your API credentials. Each method has trade-offs in terms of convenience, security, and portability.

Method 1: Using the Configuration Command (Recommended)

The easiest and most reliable method is OpenClaw's built-in configuration tool:

openclaw configure --section web

When you run this command, OpenClaw launches an interactive wizard that prompts you to enter your Brave Search API key. The wizard validates your input and writes it to the correct location in your configuration file.

This approach has several advantages:

Error prevention. The wizard checks for common mistakes like extra spaces or incomplete keys.
Automatic formatting. OpenClaw handles the JSON structure for you, reducing the chance of syntax errors.
Consistent location. The key gets stored in ~/.openclaw/openclaw.json under the correct path: tools.web.search.apiKey.

After completing the wizard, restart your OpenClaw Gateway process to load the new configuration.

Method 2: Environment Variable

If you're comfortable with environment variables or running OpenClaw in a containerized environment, you can set the key this way:

export BRAVE_API_KEY="your_actual_api_key_here"

For permanent configuration, add this line to your shell profile (~/.bashrc, ~/.zshrc, or similar) or create a .env file in your ~/.openclaw/ directory:

BRAVE_API_KEY=BSAak8j7HsdfKJH89jkHJKLhj890HJKLhjk890

Environment variables work well for deployment scenarios where you're managing multiple OpenClaw instances or using orchestration tools. They're also handy when you want to quickly test different API keys without editing configuration files.

The downside? Environment variables can be easier to accidentally expose in logs or process listings. If you're running OpenClaw on a shared system, Method 1 or 3 might be more secure.

Method 3: Manual Configuration File Edit

For users who like full control over their configuration, you can directly edit the OpenClaw config file:

nano ~/.openclaw/openclaw.json

Add or modify the web search section to include your Brave API key:

{
  "tools": {
    "web": {
      "search": {
        "provider": "brave",
        "apiKey": "BSAak8j7HsdfKJH89jkHJKLhj890HJKLhjk890",
        "maxResults": 10,
        "timeout": 5000
      }
    }
  }
}

A few things to watch out for:

JSON syntax matters. Missing commas or mismatched brackets will prevent OpenClaw from loading your config. Use a JSON validator if you're unsure.
File permissions. Make sure your openclaw.json file has appropriate permissions (typically 600 or 644) so other users on your system can't read your API key.
Backup first. Before manually editing, save a copy of your current config in case something goes wrong.

The manual method gives you the most flexibility to customize other web search parameters like timeout values and result counts. It's the approach power users tend to prefer.

Which Method Should You Choose?

For most people, Method 1 (the configuration command) strikes the best balance of ease and reliability. It's hard to mess up and works consistently across different OpenClaw installations.

Use Method 2 (environment variables) if you're deploying OpenClaw in Docker, using configuration management tools, or need to frequently switch between different API keys for testing.

Choose Method 3 (manual editing) when you want fine-grained control over additional search parameters or you're already comfortable editing JSON configuration files. Similar workflows apply when you're setting up OpenClaw alerts for product feedback, where precise configuration control helps you catch important signals.

How Do You Test if Your Brave API Key Is Working Correctly?

After configuring your API key, you'll want to verify everything works before relying on web search in production scenarios.

Step 1: Restart the Gateway Process

OpenClaw loads its configuration at startup, so you need to restart the Gateway for changes to take effect:

pkill -f "openclaw gateway"
openclaw gateway start

Wait about 10-15 seconds for the Gateway to fully initialize.

Step 2: Ask a Time-Sensitive Question

The best test queries are ones that require current information. OpenClaw can't answer these from its training data alone, so you'll know immediately if web search is working:

"What's the current weather in Tokyo?"
"What are today's top technology news stories?"
"When was the last SpaceX launch?"

If OpenClaw responds with accurate, recent information, your Brave API key is working correctly.

Step 3: Check the Logs

For a more technical verification, look at OpenClaw's log output. When web search is functioning, you should see log entries like:

[web_search] Using provider: brave
[web_search] Query: "current weather Tokyo"
[web_search] Retrieved 8 results in 420ms

If you see error messages instead, that's your clue something's wrong with the configuration.

Step 4: Verify Your API Usage

Log into your Brave API dashboard and check the usage statistics. After running a few test queries, you should see the request count increment. This confirms that:

Your API key is valid and active
OpenClaw is successfully authenticating with Brave's servers
Requests are being counted against your quota

If the usage counter doesn't budge, OpenClaw might be falling back to a different search provider or web search isn't enabled at all.

What Changed with Brave Search API Pricing in February 2026?

The Brave Search API pricing structure underwent significant changes in February 2026 that affect how new users access the service.

The Old Free Tier (Before February 2026)

Originally, Brave offered a generous completely free tier with no credit card required:

2,000 free queries per month initially
Later increased to 5,000 free queries per month
No billing information needed
Perfect for personal projects and small-scale AI agents

This made Brave the obvious choice for OpenClaw users who wanted reliable web search without ongoing costs.

The New Credit-Based System (February 2026 and After)

Starting in February 2026, Brave eliminated the zero-cost tier and moved to a credit-based model:

For New Users:

$5 in free monthly credits
Translates to approximately 1,000 queries at the base rate ($5 per 1,000 requests)
Requires credit card on file as an active billing instrument
Credits reset monthly but unused credits don't roll over
Rate limited to 1 query per second for the free credit tier

For Existing Free Plan Users:

Grandfathered into the old plan
Continue to receive free queries with no billing
No credit card required unless they choose to upgrade

Why the Change Matters for OpenClaw Users

The pricing shift has several implications:

Lower usage allowance. Dropping from 5,000 to 1,000 free queries per month means you need to be more mindful of how often your OpenClaw instance searches the web. For typical personal assistant usage, 1,000 queries still covers most needs, but heavy users might hit the limit.

Billing risk. With a credit card on file, exceeding your free credits automatically triggers charges. Brave doesn't cap spending by default, so a misconfigured OpenClaw instance could rack up unexpected bills.

Competitive pressure. The pricing change opened the door for alternatives like Tavily, which still offers a generous free tier (1,000 queries/month) specifically optimized for AI agents.

If you signed up before February 2026, you're in a good position. New users need to decide if the $5 monthly credit meets their needs or if it's time to explore other options.

Why Is My Brave API Key Not Working in OpenClaw?

Even with careful configuration, you might run into issues. Here are the most common problems and how to fix them.

Error: "Missing Brave API Key"

What it means: OpenClaw can't find your API key in any of the expected locations.

Solutions:

Double-check the configuration file path. It should be ~/.openclaw/openclaw.json, not ~/openclaw.json or another location.
Verify the key is in the correct JSON path: tools.web.search.apiKey.
Make sure there are no typos in your API key. Even one wrong character will cause authentication to fail.
If using an environment variable, confirm it's actually set in your current shell session with echo $BRAVE_API_KEY.

Error: "Web Search Tool Not Accessing Brave API Key from Config"

This is a known bug (Issue #23058) where OpenClaw fails to read the API key even when it's correctly configured in the JSON file.

Solutions:

Try setting the environment variable as a workaround: export BRAVE_API_KEY="your_key".
Restart both your terminal session and the OpenClaw Gateway.
Check file permissions on openclaw.json to ensure OpenClaw can actually read it.
Update to the latest OpenClaw version, as this bug may have been fixed in recent releases.

Error: "Invalid ui_lang Parameter" (HTTP 422)

Some OpenClaw versions send an invalid locale code to Brave's API, causing searches to fail with a 422 error.

What's happening: OpenClaw sends ui_lang=en but Brave expects country-specific codes like en-US, en-GB, or en-CA.

Solutions:

Check if your OpenClaw version has Issue #18795 fixed. This bug was identified and addressed in later releases.
As a temporary workaround, you can modify the web search tool code to send a valid locale, though this requires editing OpenClaw's source.
Switch to a different search provider temporarily while waiting for a fix.

Error: "Rate Limit Exceeded"

What it means: You've hit Brave's rate limits for your pricing tier.

Solutions:

Check your Brave API dashboard to see your current usage and limits.
If you're on the free credit tier (1 query/second), your OpenClaw might be sending searches too quickly. Implement a delay between queries.
Consider upgrading to a paid tier if your usage consistently exceeds free limits.
Optimize your prompts to reduce unnecessary web searches.

API Key Works in Dashboard but Not in OpenClaw

Possible causes:

Caching issues. OpenClaw might be using a cached configuration. Try fully stopping and restarting the Gateway process.
Multiple config files. Check if you have configuration files in multiple locations that might be conflicting.
Permission problems. The user running OpenClaw Gateway might not have permission to read your config file or environment variables.

When debugging, it helps to run OpenClaw with verbose logging enabled to see exactly what's happening with API authentication. Much like when you're building an OpenClaw FAQ agent that actually helps users, careful attention to configuration details prevents mysterious failures down the line.

How Does Brave Search Compare to Other OpenClaw Web Search Providers?

OpenClaw supports multiple web search providers, each with different strengths and trade-offs. Here's how they stack up:

Provider	Free Tier	Pricing (Paid)	Best For	Privacy	AI Optimization
Brave Search	$5/month credit (~1k queries)	$5-9 per 1k queries	General web search, privacy-conscious users	Excellent	Good
Tavily	1,000 queries/month	$0.50-1.00 per 1k queries	AI agents, structured results	Good	Excellent
Perplexity Sonar	Limited free tier	$5 per 1k queries	Answer-focused searches	Good	Excellent
Google Gemini	Via Google Cloud free tier	Varies by usage	Integration with Google services	Moderate	Excellent
DuckDuckGo	Unlimited free	N/A	Privacy, no API key needed	Excellent	Fair

Brave Search: The Balanced Default

Strengths:

Independent search index (not reliant on Google/Bing)
Strong privacy protections with no user tracking
Reliable uptime and performance
Native OpenClaw support with good documentation

Weaknesses:

Free tier reduced significantly in February 2026
Results sometimes less comprehensive than Google-based alternatives
Not specifically optimized for AI agent queries

Brave is the safe, middle-ground choice. It works well for general-purpose web search without compromising on privacy.

Tavily: The AI-First Alternative

Tavily has gained popularity in the OpenClaw community because it's built specifically for AI agents and RAG (Retrieval-Augmented Generation) applications.

Strengths:

Results pre-formatted for AI consumption (cleaner, less noise)
Still offers a genuine free tier after Brave's changes
Fast response times optimized for agent workflows
Includes citation metadata for better source attribution

Weaknesses:

Not natively integrated in all OpenClaw versions (may require a plugin)
Smaller search index compared to Brave or Google-based options
Less established track record than major players

For users focused on AI assistance workflows, Tavily might be worth the extra setup effort. The community has built plugins and there's an active pull request to add native Tavily support.

When to Choose Something Other Than Brave

Consider switching if:

You hit rate limits frequently. DuckDuckGo offers unlimited free searches, though results may be less relevant.
You need AI-optimized results. Tavily or Perplexity Sonar return data in formats better suited for agent processing.
You're already using Google Cloud. Gemini with Google Search grounding integrates seamlessly if you're in that ecosystem.
Cost is critical. Tavily's pricing is roughly half that of Brave for paid tiers.

OpenClaw's provider fallback system means you can configure multiple API keys and let it automatically choose the best available option. The selection order is typically: Brave → Gemini → Perplexity → Grok.

For teams managing OpenClaw deployments at scale, the choice often comes down to cost optimization and result quality for your specific use cases. This is similar to how marketing operations teams evaluate OpenClaw integrations based on workflow requirements and budget constraints.

What Are the Best Practices for Securing Your Brave API Key?

API keys are essentially passwords that grant access to paid services. Treating them carelessly can lead to unauthorized usage, unexpected bills, or account suspension.

Store Keys Outside of Version Control

The biggest mistake developers make is accidentally committing API keys to Git repositories, especially public ones on GitHub or GitLab.

Protection strategies:

Add openclaw.json and .env to your .gitignore file.
Use environment-specific config files that never get committed.
If you accidentally push a key to a repository, assume it's compromised. Immediately revoke it in the Brave dashboard and generate a new one.

Use Environment Variables in Production

For deployed OpenClaw instances, environment variables offer better security than config files:

# In your deployment environment
export BRAVE_API_KEY="${BRAVE_API_KEY}"

Most hosting platforms and container orchestration tools have secure ways to manage environment variables that keep them out of logs and process listings.

Implement Rate Limiting

Even if you trust everyone with access to your OpenClaw instance, bugs or misconfigured automation can cause runaway API usage.

Defensive measures:

Set spending caps in your Brave API dashboard if available.
Monitor your usage regularly and set up alerts for unusual patterns.
Implement application-level rate limiting to prevent accidental query floods.

Restrict File Permissions

Your OpenClaw configuration file should only be readable by you and the user account running the Gateway process:

chmod 600 ~/.openclaw/openclaw.json

This prevents other users on shared systems from reading your API credentials.

Rotate Keys Periodically

Even without a suspected compromise, rotating API keys every few months reduces the window of opportunity if a key is somehow exposed.

Most API providers make rotation straightforward:

Generate a new key in the dashboard
Update your OpenClaw configuration
Revoke the old key once you've confirmed the new one works

Monitor for Unusual Activity

Check your Brave API dashboard regularly for:

Unexpected spikes in usage
Queries from unfamiliar IP addresses (if shown)
Failed authentication attempts

Early detection of unauthorized access can prevent significant costs or service disruptions.

For organizations using OpenClaw for customer-facing applications like community moderation and engagement flows, API security becomes even more critical since you're responsible for protecting both your credentials and user data.

How Do You Optimize Your Brave API Usage to Stay Within Rate Limits?

Even with generous free credits or paid plans, optimizing your API usage makes sense for both cost management and application performance.

Cache Search Results Aggressively

Most web search queries don't need real-time results every time. Implementing a local cache can dramatically reduce API calls:

{
  "tools": {
    "web": {
      "search": {
        "provider": "brave",
        "apiKey": "your_key",
        "cacheResults": true,
        "cacheTTL": 3600
      }
    }
  }
}

A one-hour cache TTL (time-to-live) works well for most use cases. For news-focused queries, you might lower this to 15-30 minutes. For evergreen content, you can safely cache for 24 hours or more.

Be Selective About When to Search

Not every OpenClaw query needs web search. Train yourself (and your automation) to distinguish:

Queries that need web search:

"What's the weather tomorrow?"
"Latest news about Anthropic"
"Current price of Bitcoin"

Queries that don't:

"How do I write a for loop in Python?"
"What's the capital of France?"
"Explain quantum computing"

OpenClaw can answer most general knowledge questions from its training data without hitting the Brave API. Reserve web search for time-sensitive or recent information that wouldn't be in the training corpus.

Optimize Your Search Queries

More focused queries return better results and often require fewer follow-up searches:

Instead of: "Tell me about the new iPhone"

Try: "iPhone 16 Pro release date and price"

The second query is more likely to return exactly what you need in a single API call, while the vague first query might trigger multiple searches as OpenClaw tries to figure out what you're asking for.

Monitor Your Dashboard

Make checking your Brave API usage a monthly habit:

Log into the Brave API dashboard
Review your query count and trend over time
Identify any unusual spikes that might indicate misconfiguration
Adjust your caching or query patterns if you're consistently hitting limits

Consider Multi-Provider Fallback

Configure OpenClaw with multiple search providers so it can fall back if you hit Brave's rate limits:

{
  "tools": {
    "web": {
      "search": {
        "providers": [
          {
            "name": "brave",
            "apiKey": "your_brave_key",
            "priority": 1
          },
          {
            "name": "duckduckgo",
            "priority": 2
          }
        ]
      }
    }
  }
}

In this setup, OpenClaw tries Brave first. If you've exceeded your rate limit, it automatically falls back to DuckDuckGo (which has no API key requirement).

Batch Similar Queries

If you're using OpenClaw for automation that generates multiple related searches, see if you can combine them into fewer, more comprehensive queries.

Instead of three separate searches:

"Python list comprehension"
"Python dictionary comprehension"
"Python generator expression"

Use one broader search: "Python comprehension syntax guide list dictionary generator"

This reduces API calls while still gathering all the information you need.

When you're implementing workflow automation at scale—like recruiters using OpenClaw for candidate pre-screening—these optimizations become essential for managing costs across dozens or hundreds of daily operations.

Frequently Asked Questions

Do I need a credit card to get started with Brave Search API in OpenClaw?

As of February 2026, yes. New users must provide a credit card to access the $5 monthly credit allocation. The card becomes an active billing instrument if you exceed your free credits. Users who signed up before the February 2026 pricing change were grandfathered into the old free plan with no billing required.

Can I use multiple search API providers in OpenClaw simultaneously?

Yes. OpenClaw supports configuring multiple providers with priority ordering. If the primary provider fails or hits rate limits, OpenClaw automatically falls back to the next option in your configuration. Common setups use Brave as the primary with DuckDuckGo or Tavily as fallbacks.

What happens if my Brave API key expires or gets revoked?

OpenClaw will start returning errors when attempting web searches. You'll need to generate a new API key in the Brave dashboard and update your configuration. Until then, OpenClaw can still handle queries that don't require web search, using only its training data.

Is the Brave API key the same for desktop and mobile OpenClaw apps?

The API key itself is the same, but the configuration location differs by platform. On desktop Linux/Mac, it's stored in ~/.openclaw/openclaw.json. Mobile implementations may use platform-specific secure storage. Always refer to the documentation for your specific OpenClaw distribution.

How do I switch from Brave to Tavily or another search provider?

Change the provider field in your openclaw.json configuration from "brave" to your preferred provider, and add that provider's API key. Some providers like Tavily may require additional setup or plugins depending on your OpenClaw version. Check the official documentation for provider-specific instructions.

Does OpenClaw send my search queries to Brave's servers?

Yes, that's how the API works. When you ask OpenClaw something that requires web search, it sends your query to Brave's API servers, which return search results. Brave's privacy policy states they don't track or build profiles from API searches, but the queries do leave your local machine. If you need completely offline operation, disable web search and rely solely on OpenClaw's training data.

Conclusion: Getting the Most from Your OpenClaw Web Search

Setting up your OpenClaw Brave API key is straightforward once you understand the three configuration methods and how to verify everything works. While the February 2026 pricing changes reduced the free tier, the monthly credit allocation still covers typical personal AI assistant usage.

The key takeaways:

Use the openclaw configure --section web command for the most reliable setup
Test your configuration with time-sensitive queries to confirm web search is working
Be aware of the new billing requirements if you signed up after February 2026
Implement caching and selective search strategies to optimize your API usage
Consider alternatives like Tavily if you need AI-optimized results or hit rate limits

With web search properly configured, your OpenClaw instance transforms from a local assistant into something that can answer current questions, fetch recent news, and provide up-to-date information on demand. That's when the real power of having a personal AI assistant becomes clear.

How to Set Up Your OpenClaw Brave API Key: Complete Configuration Guide

How to Set Up Your OpenClaw Brave API Key: Complete Configuration Guide

Quick Answer: What You Need to Know

What Is the OpenClaw Brave API Key and Why Do You Need It?

How Do You Get a Brave Search API Key for OpenClaw?

What Are the Three Ways to Configure Your Brave API Key in OpenClaw?

Method 1: Using the Configuration Command (Recommended)

Method 2: Environment Variable

Method 3: Manual Configuration File Edit

Which Method Should You Choose?

How Do You Test if Your Brave API Key Is Working Correctly?

What Changed with Brave Search API Pricing in February 2026?

The Old Free Tier (Before February 2026)

The New Credit-Based System (February 2026 and After)

Why the Change Matters for OpenClaw Users

Why Is My Brave API Key Not Working in OpenClaw?

Error: "Missing Brave API Key"

Error: "Web Search Tool Not Accessing Brave API Key from Config"

Error: "Invalid ui_lang Parameter" (HTTP 422)

Error: "Rate Limit Exceeded"

API Key Works in Dashboard but Not in OpenClaw

How Does Brave Search Compare to Other OpenClaw Web Search Providers?

Brave Search: The Balanced Default

Tavily: The AI-First Alternative

When to Choose Something Other Than Brave

What Are the Best Practices for Securing Your Brave API Key?

Store Keys Outside of Version Control

Use Environment Variables in Production

Implement Rate Limiting

Restrict File Permissions

Rotate Keys Periodically

Monitor for Unusual Activity

How Do You Optimize Your Brave API Usage to Stay Within Rate Limits?

Cache Search Results Aggressively

Be Selective About When to Search

Optimize Your Search Queries

Monitor Your Dashboard

Consider Multi-Provider Fallback

Batch Similar Queries

Frequently Asked Questions

Conclusion: Getting the Most from Your OpenClaw Web Search

Enjoyed this article?