SYNTHORA
GET https://api.hergertsynthora.com/v1/ohlcv-candles
Listed in x402 List · Data: x402-list.com (CC BY 4.0)
Real-time and historical OHLCV candles (open/high/low/close/volume) for any crypto pair, any interval. For backtesting and signal agents. Free source. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.
Warnings
Wallet mismatch The payout wallet in its live payment answer differs from its catalogue listing on the same network.
Other endpoints from api.hergertsynthora.com
The same service's other paid functions that Haggly tracks, each with its own price. Functions outside Haggly's categories are not listed.
| Endpoint | Category | Price per call |
|---|---|---|
| POST /v1/bitcoin-fees | On-chain data | $0.01 |
| GET /v1/coingecko-crypto-price-history | Crypto prices & market data | $0.05 |
| GET /v1/cryptonews | News | $0.05 |
| GET /v1/llm-fast | LLM inference | $0.005 |
| POST /v1/llm-fast | LLM inference | $0.005 |
| GET /v1/llm-smart | LLM inference | $0.005 |
| GET /v1/onchain | On-chain data | $0.01 |
| POST /v1/sentiment | News | $0.01 |
| POST /v1/space-weather | Weather | $0.03 |
| POST /v1/top-crypto | Crypto prices & market data | $0.01 |
| GET /v1/wallet-enrich | On-chain data | $0.15 |
| GET /v1/walletrep | On-chain data | $0.05 |
| POST /v1/weather-now | Weather | $0.03 |
| GET /v1/websearch | Web search | $0.05 |
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://api.hergertsynthora.com/v1/ohlcv-candles"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-14 12:30 | Valid 402 | 402 | 777 ms | $0.05 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves