Discover / overwing.ai

Overwing

■ Challenge detected

Overwing guardrail: check text before you send, post, or act on it. Content moderation, PII detection, confidential leak detection, toxicity, self-harm and severity in ~150 ms. Returns a verdict plus one recommended_action (block / redact / review / allow) with calibrated confidence. Pass context (recipient, channel, owns_contact_info) with the outbound-message set. $0.002 USDC, no account.

x402
Base
USDC
AI

Listed price: $0.002
Challenge detected: 8 of the last 9 checks
Median response: 186 ms
Last checked: 16 Oct, 13:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://overwing.ai/api/x402/execute
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

4 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.

Base URLhttps://overwing.ai/api/x402

POST/evaluate$0.002Overwing guardrail: check text before you send, post, or act on it. Content moderation, PII detection, confidential leak detection, toxicity, self-harm and severity in ~150 ms. Returns a verdict plus one recommended_action (block / redact / review / allow) with calibrated confidence. Pass context (recipient, channel, owns_contact_info) with the outbound-message set. $0.002 USDC, no account.
POST/preflight/x402$0.002Overwing Preflight for x402: should an agent sign this payment? POST the PAYMENT-REQUIRED terms and your policy; get allow, review or refuse with reasons: terms vs policy, payee vs the x402 directory and the server's own manifest, price vs the record. $0.002 USDC, no account.
GET/atlas/lookup$0.001Overwing Atlas: identify a User-Agent string against a registry of AI crawlers, fetchers and browser agents. Returns the claimed agent, operator, purpose, verification method (Web Bot Auth vs spoofable) and a trust note. GET ?user_agent=... $0.001 USDC.
POST/execute$0.002Overwing guardrail: check text before you send, post, or act on it. Content moderation, PII detection, confidential leak detection, toxicity, self-harm and severity in ~150 ms. Returns a verdict plus one recommended_action (block / redact / review / allow) with calibrated confidence. Pass context (recipient, channel, owns_contact_info) with the outbound-message set. $0.002 USDC, no account.

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

Showing 4 of 4 listed endpoints.

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

Recent checks

2 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 9 checks

When (UTC)	Result	HTTP	Response
16 Oct, 13:59 UTC	Challenge detected	402	321ms
15 Oct, 08:20 UTC	Challenge detected	402	186ms
14 Oct, 00:19 UTC	Challenge detected	402	186ms
12 Oct, 00:34 UTC	Challenge detected	402	820ms
10 Oct, 10:04 UTC	Challenge detected	402	127ms
9 Oct, 06:42 UTC	Challenge detected	402	134ms
8 Oct, 03:32 UTC	Challenge detected	402	814ms
6 Oct, 21:30 UTC	No challenge detected	200	85ms
2 Oct, 17:03 UTC	Challenge detected	402	170ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 13:59 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Overwing?

Its listed price is $0.002.

What payment terms does Overwing 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 Overwing listed?

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

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