Discover / api.nativebtc.org

FastPath Bitcoin API

■ Challenge detected

Pay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.

Listed price
$0.005
Challenge detected
10 of the last 10 checks
Median response
249 ms
Last checked
16 Oct, 23:40 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://api.nativebtc.org/v1/mempool/stream-ticket
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# 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.

  • GEThttps://api.nativebtc.org/v1/mempool/stream-ticketNo price listedPay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.

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.nativebtc.org

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.16 Oct 2026
All 10 checks
When (UTC)ResultHTTPResponse
16 Oct, 23:40 UTCChallenge detected402798ms
15 Oct, 19:10 UTCChallenge detected402256ms
14 Oct, 14:31 UTCChallenge detected4023423ms
12 Oct, 10:53 UTCChallenge detected402182ms
10 Oct, 15:44 UTCChallenge detected402241ms
9 Oct, 12:40 UTCChallenge detected402197ms
8 Oct, 09:33 UTCChallenge detected402208ms
7 Oct, 09:33 UTCChallenge detected402226ms
6 Oct, 09:33 UTCChallenge detected402321ms
26 Sept, 17:02 UTCChallenge detected402550ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 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 FastPath Bitcoin API?

Its listed price is $0.005.

What payment terms does FastPath Bitcoin API advertise?

The listing advertises x402, Arbitrum, Base, EVM chain 480, Polygon and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is FastPath Bitcoin API listed?

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

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