Discover / businessdayapi.com

Business Day & Deadline API

□ No challenge detected

Verified, always-current business-day arithmetic for ~200 countries incl. subdivisions (German Bundeslaender, US states) and correct per-country weekend rules (e.g. Fri/Sat in Egypt). Check business days, add/subtract business days (deadline calculation), count days between dates. $0.001 per query (exact, USDC on Base). OpenAPI at /openapi.json, free introspection at /v1/schema.

Challenge detected
0 of the last 3 checks
Last checked
16 Oct, 23:40 UTC
In our index since
14 Oct 2026

Endpoint

curl -i https://businessdayapi.com
# 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/businessdayapi.com

Recent checks

14 Oct 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.16 Oct 2026
All 3 checks
When (UTC)ResultHTTPResponse
16 Oct, 23:40 UTCNo challenge detected404265ms
15 Oct, 17:07 UTCNo challenge detected404130ms
14 Oct, 08:45 UTCNo challenge detected404366ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 23:40 UTC, we detected no payment challenge.

What payment terms does Business Day & Deadline API advertise?

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

Where is Business Day & Deadline API listed?

In x402-list.com. Superstables first indexed it on 14 Oct 2026.

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