Crypto ETF Sentinel /v1/issuers/comment-letters
https://api.cryptoetfsentinel.com/v1/issuers/comment-lettersOverview
Crypto ETF Sentinel — Full SEC ↔ issuer comment-letter history for one US spot crypto ETF issuer: UPLOAD/CORRESP pairs in order with a review-intensity profile. Comment-letter cadence is a leading indicator of approval proximity. Use when assessing how far along one filing's SEC review is. Pass the issuer's SEC CIK as cik.
Protocol
x402
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
finance/regulatory
Provider
cryptoetfsentinel
Source
bazaar
Indexed
2026-05-13 19:55:22
Health
Status
healthy
Latency (p50)
46ms
Uptime (30d)
100.0%
Reliability Score
100/100
Last Checked
2026-10-03 09:26:43
Last Healthy
2026-10-03 09:26:43
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-03 09:26:43 | healthy | 402 | 40ms | |
| 2026-10-03 03:27:46 | healthy | 402 | 46ms | |
| 2026-10-02 20:50:36 | healthy | 402 | 40ms | |
| 2026-10-02 13:49:25 | healthy | 402 | 40ms | |
| 2026-10-02 09:51:23 | healthy | 402 | 55ms | |
| 2026-10-01 21:42:47 | healthy | 402 | 43ms | |
| 2026-10-01 17:45:09 | healthy | 402 | 40ms | |
| 2026-10-01 10:02:30 | healthy | 402 | 57ms | |
| 2026-09-30 23:43:35 | healthy | 402 | 387ms | |
| 2026-09-30 15:54:17 | healthy | 402 | 54ms | |
| 2026-09-30 15:07:20 | healthy | 402 | 66ms |