WatchdataFree REST API
Provide simple and reliable API access to Ethereum blockchain
Watchdata API Key Required
An external API key is required to authenticate requests with Watchdata. Allowance: Free (Quota-limited). Obtain your free key from the official developer portal and replace YOUR_API_KEY in the code snippets below.
Live Test Console & 3D Assistant
Launch 3D studio to inspect query parameters, authentication headers, or test with your personal developer key.
Quickstart Code Snippets
Copy-paste ready boilerplate for your tech stack.
// Call via FreeAPI Smart Edge Gateway (In-Memory Cache + CORS Guard)
// Endpoint: https://findfreeapi.com/api/v1/gateway/watchdata
async function callWatchdata() {
try {
const response = await fetch("https://findfreeapi.com/api/v1/gateway/watchdata", {
headers: {
"Accept": "application/json",
// "x-freeapi-key": "fapi_live_your_api_key" // FreeAPI Gateway Key
}
});
if (!response.ok) {
throw new Error(`Gateway HTTP error! status: ${response.status}`);
}
const data = await response.json();
console.log("FreeAPI Live Data:", data);
} catch (error) {
console.error("FreeAPI Gateway Error:", error);
}
}
callWatchdata();Share with Devs & GitHub Badge
Share this public endpoint with your team or embed verified status badge in your README.md.
Key Advantages (Pros)
- Free Tier Available: Developers can test and build without entering credit card details.
- Documented Rate Limit: Free (Quota-limited).
- HTTPS & CORS Enabled: Can be queried directly from client browsers or server backends.
Considerations & Limits (Cons)
- External Key Required: Requires creating an account with the provider.
- Rate Limited: Excessive rapid requests may receive HTTP 429 status.
- Third-party SLA: Service uptime depends on the upstream provider.
Frequently Asked Questions (FAQ)
Technical and integration answers for Watchdata.
GitHub README Verified Badge
Embed this live verified badge in your project or repository.
[](https://findfreeapi.com/en/service/watchdata?utm_source=github_badge&utm_medium=readme&utm_campaign=readme_badge)All data feeds, trademarks, and documentation belong directly to the original API provider. FreeAPI serves purely as a discovery index and documentation reference for developers.
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