Discover / api.trialbase-db.org

TrialBase DB

■ Challenge detected

Search normalized clinical trials by registry, condition, intervention, sponsor, country, status, phase, study type, or free text.

MPP
x402
Base
Tempo
USDC
data

Listed price: $0.1
Challenge detected: 9 of the last 9 checks
Median response: 110 ms
Last checked: 16 Oct, 18:49 UTC
In our index since: 30 Sept 2026

Endpoint

curl -i https://api.trialbase-db.org/v1/trials
# 402 Payment Required: pay with a MPP client, then send the request again.

3 listed endpoints · on mpp.dev

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

Base URLhttps://api.trialbase-db.org/v1

GET/coverage$0.25Get the coverage matrix
GET/trials$0.1Search normalized clinical trials by registry, condition, intervention, sponsor, country, status, phase, study type, or free text. Also on mppscan and x402 Bazaar
GET/trials/:id$0.025Get one clinical trial

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.trialbase-db.org

Recent checks

5 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, 18:49 UTC	Challenge detected	402	2169ms
15 Oct, 11:37 UTC	Challenge detected	402	136ms
14 Oct, 00:19 UTC	Challenge detected	402	139ms
12 Oct, 00:34 UTC	Challenge detected	402	107ms
10 Oct, 10:04 UTC	Challenge detected	402	110ms
9 Oct, 06:42 UTC	Challenge detected	402	88ms
8 Oct, 03:32 UTC	Challenge detected	402	91ms
7 Oct, 03:32 UTC	Challenge detected	402	139ms
5 Oct, 05:04 UTC	Challenge detected	402	88ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 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 TrialBase DB?

Its listed price is $0.1.

What payment terms does TrialBase DB advertise?

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

Where is TrialBase DB listed?

In x402 Bazaar, mpp.dev and mppscan. Superstables first indexed it on 30 Sept 2026.

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