the402 endpoint detail

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answerpool.io xbrl shares

https://answerpool.io/v1/sec/xbrl/shares

answers 402

Get reported common shares outstanding by period for one filer from XBRL — the series behind dilution and per-share math, deduplicated. Use instead of digging share counts out of companyfacts or cover pages. Pay per call (x402 USDC or prepaid card credits); no subscription, no API key signup.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.02
Network
base
Pay to
0xb3ba3Ca99F9742b32fC527CF62688C83b39AED8c
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
288 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:12:10.745Z (2h ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fanswerpool.io%2Fv1%2Fsec%2Fxbrl%2Fshares"