Overview

LLM cost estimate API, token cost estimate endpoint, and token cost calculator for comparing inference cost across models before you run a prompt. Send input_tokens and output_tokens (or raw text, auto-estimated at roughly 4 characters per token) plus a list of model names, and get a per-model price breakdown from a built-in snapshot price table, with the cheapest known model called out. Pass price_overrides to price your own negotiated rates or a model missing from the table instead of getting

Protocol x402 (POST)
Price $0.0050
Payment Asset USDC
Payment Network base
Category uncategorized
Provider agentutility
Source self-registered
Indexed 2026-08-19 19:03:02

Health

Status healthy
Latency (p50) 274ms
Uptime (30d) 90.9%
Reliability Score 87.5/100
Last Checked 2026-08-25 07:21:19
Last Healthy 2026-08-25 07:21:19
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified Known USDC
Facilitator

Recent Health Checks

Time Status HTTP Latency Error
2026-08-25 07:21:19 healthy 402 16ms
2026-08-25 01:36:36 healthy 402 3230ms
2026-08-24 23:36:29 healthy 402 43ms
2026-08-24 13:44:31 error fetch failed
2026-08-24 04:56:53 healthy 402 85ms
2026-08-23 22:10:03 healthy 402 3821ms
2026-08-23 14:35:54 healthy 402 274ms
2026-08-23 07:36:18 healthy 402 42ms
2026-08-23 03:27:37 healthy 402 3282ms
2026-08-22 18:31:39 healthy 402 58ms
2026-08-22 10:53:34 healthy 402 4079ms