{
"openapi": "3.0.2",
"info": {
"title": "Coin Metrics API v4",
"description": "[Coin Metrics Homepage](https://coinmetrics.io/)
[API Backward Compatibility Policy](https://docs.coinmetrics.io/access-our-data/api#backward-compatibility)
[Python API Client](https://coinmetrics.github.io/api-client-python/site/index.html)
\nHTTP API root endpoint URL is `https://api.coinmetrics.io/v4`. Coin Metrics' paid product.
WebSocket API root endpoint is `wss://api.coinmetrics.io/v4`. Coin Metrics' paid product.
The Community HTTP API root endpoint URL is `https://community-api.coinmetrics.io/v4`. API key is not required when accessing community endpoints. Available to the community under the [Creative Commons](https://creativecommons.org/licenses/by-nc/4.0/) license.\n# Authentication\n\n# Response headers\nNote that Coin Metrics API responses have a `CF-RAY` HTTP header e.g. `88a6ec1d2f930774-IAD` which can be used for diagnostic purposes. When raising Support requests, please ensure to provide the value of this header. ",
"termsOfService": "https://coinmetrics.io/api/terms",
"contact": {
"name": "Coin Metrics Support",
"url": "https://coinmetrics.io/support/",
"email": "support@coinmetrics.io"
},
"license": {
"name": "Apache 2.0",
"url": "https://www.apache.org/licenses/LICENSE-2.0.html"
},
"version": "4.0.0"
},
"servers": [
{
"url": "https://api.coinmetrics.io/v4"
},
{
"url": "wss://api.coinmetrics.io/v4"
},
{
"url": "https://community-api.coinmetrics.io/v4"
}
],
"tags": [
{
"name": "Rate limits",
"description": "To ensure the quality of Coin Metrics services, API is subject to rate limiting.
| Rate Limit Plan | REST API: Requests per Second (sliding window) | REST API: Download Speed | REST API: Max Parallel Requests | WebSocket API: Max Parallel Connections |
|---|---|---|---|---|
| Community | 10 requests per 6 seconds per IP address | Reduced speed | 10 | N/A |
| Trial | 10 requests per 6 seconds per API key | Max speed | 10 | 200 |
| Default (PRO) | 6000 requests per 20 seconds per API key | Standard speed | 10 | 200 |
| Download (PRO) | 6000 requests per 20 seconds per API key | Max speed | 10 | 200 |