Discover / data.openverbs.com

Query JSON with JMESPath

■ Challenge detected

Evaluate a JMESPath expression against a JSON value and return the selected/projected result. A malformed expression is rejected before payment.

x402
Base
USDC

Listed price: $0.004
Challenge detected: 10 of the last 10 checks
Median response: 187 ms
Last checked: 17 Oct, 09:26 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://data.openverbs.com/v1/query
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

6 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://data.openverbs.com/v1

POST/flatten$0.004Flatten a nested object/array into a single-level object whose keys are the delimited paths to each leaf (default delimiter `.`). Requires an object or array.
POST/patch$0.004Apply an RFC 6902 JSON Patch to a JSON document and return the result. An invalid or unresolvable patch (e.g. a failed `test`, or a path that does not exist) is rejected before payment.
POST/merge$0.004Deep-merge an ordered list of JSON documents, left to right. Objects are merged key-by-key; arrays, scalars and null in a later document replace the earlier value (last-wins, no array concatenation).
POST/diff$0.004Compute the RFC 6902 JSON Patch that transforms `source` into `target`. The patch is a minimal array of add/remove/replace operations.
POST/unflatten$0.004Rebuild a nested object from a single-level object whose keys are delimited paths (default delimiter `.`) — the inverse of flatten. Requires a flat object.
POST/query$0.004Evaluate a JMESPath expression against a JSON value and return the selected/projected result. A malformed expression is rejected before payment.

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

Showing 6 of 6 listed endpoints.

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

Recent checks

30 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)	Result	HTTP	Response
17 Oct, 09:26 UTC	Challenge detected	402	593ms
16 Oct, 11:31 UTC	Challenge detected	402	203ms
14 Oct, 23:56 UTC	Challenge detected	402	159ms
13 Oct, 20:45 UTC	Challenge detected	402	195ms
11 Oct, 19:34 UTC	Challenge detected	402	172ms
10 Oct, 06:39 UTC	Challenge detected	402	177ms
9 Oct, 03:33 UTC	Challenge detected	402	232ms
7 Oct, 21:31 UTC	Challenge detected	402	162ms
6 Oct, 18:37 UTC	Challenge detected	402	178ms
30 Sept, 17:04 UTC	Challenge detected	402	260ms

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 Query JSON with JMESPath?

Its listed price is $0.004.

What payment terms does Query JSON with JMESPath 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 Query JSON with JMESPath listed?

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

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