Discover / irb-precedent-api.canvas-cart.workers.dev

IRS Internal Revenue Bulletin API

□ No challenge detected

Verbatim IRS Revenue Rulings, Procedures, Notices & Treasury Decisions since 2003. Free search over 6,300+ docs; $0.01/doc via x402 on Base.

Challenge detected
7 of the last 10 checks
Median response
260 ms
Last checked
17 Oct, 04:37 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://irb-precedent-api.canvas-cart.workers.dev
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/irb-precedent-api.canvas-cart.workers.dev

Recent checks

30 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026
All 10 checks
When (UTC)ResultHTTPResponse
17 Oct, 04:37 UTCNo challenge detected200143ms
15 Oct, 19:10 UTCNo challenge detected200181ms
14 Oct, 08:45 UTCNo challenge detected200342ms
13 Oct, 20:45 UTCChallenge detected402226ms
11 Oct, 19:34 UTCChallenge detected402285ms
10 Oct, 06:39 UTCChallenge detected402170ms
9 Oct, 03:33 UTCChallenge detected402300ms
7 Oct, 21:31 UTCChallenge detected402439ms
6 Oct, 16:01 UTCChallenge detected402248ms
30 Sept, 05:03 UTCChallenge detected402260ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 17 Oct, 04:37 UTC, we detected no payment challenge.

What payment terms does IRS Internal Revenue Bulletin API advertise?

The listing advertises x402, Base and USDC. Check the seller's current payment challenge and authentication requirements before paying.

Where is IRS Internal Revenue Bulletin API listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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