An automated marketplace interface for finding and consuming pay-per-call x402 APIs across multiple blockchain networks.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install opendexter
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install opendexter using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is OpenDexter?
OpenDexter is a powerful integration for Openclaw Skills that bridges the gap between AI agents and the x402 API marketplace. It enables developers and agents to discover, evaluate, and execute paid API calls across Solana and various EVM chains including Base, Polygon, Arbitrum, Optimism, and Avalanche without the need for traditional API keys or monthly subscriptions.
By leveraging the decentralized payment rails of x402, this skill allows for a fluid pay-per-call economy. The agent automatically handles USDC payment routing, selecting the most cost-effective chain based on the user's configured wallet balances, ensuring a seamless developer experience for consuming premium data and services.
OpenDexter Use Cases
- Searching for specialized data providers or niche APIs without managing multiple accounts.
- Executing on-demand API calls with immediate USDC micro-payments.
- Verifying API pricing and reputation scores before committing to a purchase.
- Auditing wallet balances and spending limits across multiple blockchain networks.
- Automating cross-chain payment selection for API consumption.
How OpenDexter Works
- The user requests a specific capability or API endpoint through the Openclaw Skills interface.
- The
x402_searchtool identifies relevant marketplace listings based on fuzzy search and quality metrics. - The agent utilizes
x402_checkto probe the endpoint, retrieving real-time pricing and supported payment chains. - Upon user confirmation,
x402_fetchinitiates the call, automatically selecting the funded chain with the best rates. - The skill processes the USDC transaction and returns the API response data alongside a verified payment receipt.
OpenDexter Setup
To enable OpenDexter within your environment, ensure your wallet is configured for the supported networks. Follow these steps to initialize:
# Install the Openclaw Skills package if not already present
npm install @openclaw/skill-opendexter
# Configure your Solana or EVM private keys in your environment variables
export OPENDEXTER_WALLET_EVM="your_evm_private_key"
export OPENDEXTER_WALLET_SOLANA="your_solana_private_key"
Use the x402_wallet tool to verify your connection and set per-call spending limits.
OpenDexter Data Schema & Taxonomy
OpenDexter organizes its marketplace data and transaction responses using the following taxonomy:
| Attribute | Description | Data Type |
|---|---|---|
qualityScore |
A composite reliability score from 0-100 | Integer |
price |
Cost per API call in USDC | Float |
network |
The blockchain used for the transaction (e.g., Base, Solana) | String |
verified |
Indicates if the endpoint has passed official quality checks | Boolean |
receipt |
The cryptographic proof of payment returned after a fetch | Object |
Quality Score Tiers:
- 90-100: Excellent/Verified
- 75-89: Good/Reliable
- 50-74: Mediocre
- <50: Untested
OpenDexter Advanced Features
- Automatic multi-chain balance checking to find the cheapest payment path.
- Fuzzy search logic to handle typos and approximate matches in the marketplace.
- Integrated quality scoring system to filter out low-reliability API providers.
- Support for custom spending limits to prevent unexpected wallet depletion.
- Unified interface for both Solana and Ethereum Virtual Machine (EVM) ecosystems.
SKILL.md
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