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app.tenna.ai lumi lumi_post_timestamp_verify
https://app.tenna.ai/api/x402/lumi/lumi_post_timestamp_verify
answers 402
Verify when X posts were actually published. Timestamps are derived arithmetically from the snowflake id in each URL — no external API call, no model guessing. Unparseable URLs return null rather than an estimate. Useful for auditing whether cited evidence existed at a claimed time.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x7eaf3c393a8996e124c0fa7ccbc55019854c4c5b
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 447 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:23:54.390Z (1h ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapp.tenna.ai%2Fapi%2Fx402%2Flumi%2Flumi_post_timestamp_verify"