Vextorium
x402Grade BLast checked 2 hours ago
POST https://api.vextorium.com/v1/llm-token-count
Count the tokens of a text with OpenAI tokenizers (o200k for GPT-4o/4.1/5, cl100k for GPT-4/3.5) plus estimates for Claude, Llama and Gemini, with characters per token. Budget LLM calls and split contexts.
Price$0.003per model request · paid in USD on Base
Uptime100%
4/4 probes · 679 ms
Score76Grade B
Paid usage, 30 days3payers · 3 calls
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 POST "https://api.vextorium.com/v1/llm-token-count"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 08:30 | Valid 402 | 402 | 522 ms | $0.003 |
| 2026-10-11 04:00 | Valid 402 | 402 | 641 ms | $0.003 |
| 2026-10-10 23:30 | Valid 402 | 402 | 717 ms | $0.003 |
| 2026-10-10 18:15 | Valid 402 | 402 | 729 ms | $0.003 |
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