Access aggregated x402 ecosystem data. Free tier: 100 calls/day. With API key: 10,000 calls/day.
Base URL
https://kyvernlabs.com/api/v2/marketAuthentication is optional. Add X-API-Key: kv_live_... header for higher rate limits.
/api/v2/market?metric=overviewEcosystem summary: total volume, transactions, endpoints, agents, providers, avg price.
Parameters
range— 7d, 30d, 90d(default: 30d)Response
{
"metric": "overview",
"range": "30d",
"data": {
"total_transactions": 226,
"total_volume": 3.91,
"active_endpoints": 19,
"unique_agents": 12,
"providers": 3,
"avg_price": 0.0173
}
}/api/v2/market?metric=endpointsTop 50 endpoints by volume with calls, revenue, avg price, unique agents.
Parameters
range— 7d, 30d, 90d(default: 30d)Response
{
"metric": "endpoints",
"count": 19,
"data": [
{ "endpoint": "/v1/translate", "calls": 70, "revenue": 0.21, "avg_price": 0.003, "unique_agents": 5 }
]
}/api/v2/market?metric=volumeDaily transaction count and volume for charting.
Parameters
range— 7d, 30d, 90d(default: 30d)Response
{
"metric": "volume",
"data": [
{ "date": "2026-04-01", "transactions": 15, "volume": 0.201 }
]
}/api/v2/market?metric=categoriesEndpoint categories with aggregated stats.
Parameters
range— 7d, 30d, 90d(default: 30d)Response
{
"metric": "categories",
"data": [
{ "category": "AI / NLP", "calls": 108, "revenue": 0.644, "endpoints": 5 }
]
}/api/v2/market?metric=pricingPricing analysis: avg, min, max price per endpoint.
Parameters
range— 7d, 30d, 90d(default: 30d)Response
{
"metric": "pricing",
"data": [
{ "endpoint": "/v1/translate", "avg_price": 0.003, "min_price": 0.003, "max_price": 0.003, "sample_size": 70 }
]
}| Tier | Limit | Auth |
|---|---|---|
| Free | 100/day | No key needed |
| Authenticated | 10,000/day | X-API-Key header |
| Enterprise | Unlimited | Contact us |