Discover / api.402rates.com

402rates.com

■ Challenge detected

Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, Polygon, Arbitrum and XDC; the challenge lists currently available networks for each transport. The receipt identifies the paid network and transaction. Business/professional use only. Terms: https://402rates.com/data-terms/

Listed price
$0.001
Challenge detected
10 of the last 10 checks
Median response
364 ms
Last checked
17 Oct, 09:26 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://api.402rates.com/v1/ping
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
3 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://api.402rates.com/v1

  • GET/pingNo price listedPayment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, Polygon, Arbitrum and XDC; the challenge lists currently available networks for each transport. The receipt identifies the paid network and transaction. Business/professional use only. Terms: https://402rates.com/data-terms/
  • GET/rwa/yieldsNo price listedRealised 30-day yields for 13 tokenized treasury funds under the Open Treasury Yield Basis. Measured rows use NAV, price or verified passive-holder balances, with observations, sources and dates. Issuer figures and differences appear where available. Quoted and unavailable rows stay explicit; free coverage lists funds and gaps. Business/professional use only. Terms: https://402rates.com/data-terms/
  • GET/settlement/costsNo price listedMeasured USDC transfer costs on Base, Polygon, Arbitrum, Ethereum and XDC: simulated gas, current token prices, fresh chain heads and applicable rollup L1 fees. Inputs and block references accompany each figure. Cheapest first; unmeasurable chains are excluded, not estimated. Business/professional use only. Terms: https://402rates.com/data-terms/

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

Showing 3 of 3 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.402rates.com

Recent checks

26 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, 09:26 UTCChallenge detected402223ms
16 Oct, 08:13 UTCChallenge detected402356ms
14 Oct, 23:56 UTCChallenge detected402395ms
13 Oct, 10:39 UTCChallenge detected402531ms
11 Oct, 10:02 UTCChallenge detected402382ms
9 Oct, 21:31 UTCChallenge detected402363ms
8 Oct, 15:35 UTCChallenge detected402364ms
7 Oct, 09:33 UTCChallenge detected402489ms
5 Oct, 17:05 UTCChallenge detected402315ms
26 Sept, 05:02 UTCChallenge detected402352ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 09:26 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 402rates.com?

Its listed price is $0.001.

What payment terms does 402rates.com advertise?

The listing advertises x402, Arbitrum, Base, EVM chain 50, Polygon and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is 402rates.com listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

Something wrong on this page? Tell us.