Discover / api.integrityphase.com

IntegrityPhase

□ No challenge detected

IntegrityPhase webhook verification checks HMAC, format and freshness: signed proof for audit documentation, not proof of fulfilment. EU businesses including sole traders; qualified VAT territory; registered HMAC sources; EUR 100-200 events outside critical processes. Prepared agents pay USDC on Base via ready Codex buyer or Bazaar proxy. Onboarding, quote and recovery require IntegrityPhase MCP; proxy-only unsupported. Guide: https://api.integrityphase.com/mcp

x402
Base
USDC

Listed price: $22.47
Challenge detected: 0 of the last 7 checks
Last checked: 16 Oct, 21:19 UTC
In our index since: 8 Oct 2026

Endpoint

curl -i https://api.integrityphase.com/verify/webhook-integrity
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

POSThttps://api.integrityphase.com/verify/webhook-integrity$22.47IntegrityPhase webhook verification checks HMAC, format and freshness: signed proof for audit documentation, not proof of fulfilment. EU businesses including sole traders; qualified VAT territory; registered HMAC sources; EUR 100-200 events outside critical processes. Prepared agents pay USDC on Base via ready Codex buyer or Bazaar proxy. Onboarding, quote and recovery require IntegrityPhase MCP; proxy-only unsupported. Guide: https://api.integrityphase.com/mcp

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.integrityphase.com

Recent checks

8 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 7 checks

When (UTC)	Result	HTTP	Response
16 Oct, 21:19 UTC	No challenge detected	403	202ms
15 Oct, 14:11 UTC	No challenge detected	403	71ms
14 Oct, 08:45 UTC	No challenge detected	403	83ms
12 Oct, 00:34 UTC	No challenge detected	403	42ms
10 Oct, 10:04 UTC	No challenge detected	403	37ms
9 Oct, 03:33 UTC	No challenge detected	403	55ms
8 Oct, 00:44 UTC	No challenge detected	403	44ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 21:19 UTC, we detected no payment challenge.

What price is recorded for IntegrityPhase?

Its listed price is $22.47.

What payment terms does IntegrityPhase advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is IntegrityPhase listed?

In x402 Bazaar. Superstables first indexed it on 8 Oct 2026.

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