Discover / pack.openverbs.com

Decode MessagePack/CBOR to JSON

■ Challenge detected

Decode a MessagePack or CBOR byte stream (supplied as a base64/base64url/hex string) back into a JSON value. A malformed envelope, malformed bytes, or a value that is not JSON-representable is rejected before payment.

x402
Base
USDC

Listed price: $0.004
Challenge detected: 10 of the last 10 checks
Median response: 183 ms
Last checked: 17 Oct, 09:26 UTC
In our index since: 26 Sept 2026

Endpoint

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

2 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://pack.openverbs.com/v1

POST/encode$0.004Serialize a JSON value into a compact MessagePack or CBOR byte stream, returned as a base64 (default), base64url or hex string, along with the byte length.
POST/decode$0.004Decode a MessagePack or CBOR byte stream (supplied as a base64/base64url/hex string) back into a JSON value. A malformed envelope, malformed bytes, or a value that is not JSON-representable is rejected before payment.

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

Showing 2 of 2 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/pack.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	492ms
16 Oct, 11:31 UTC	Challenge detected	402	185ms
14 Oct, 23:56 UTC	Challenge detected	402	162ms
13 Oct, 14:18 UTC	Challenge detected	402	161ms
11 Oct, 12:57 UTC	Challenge detected	402	180ms
10 Oct, 00:46 UTC	Challenge detected	402	164ms
8 Oct, 21:32 UTC	Challenge detected	402	248ms
7 Oct, 21:31 UTC	Challenge detected	402	159ms
6 Oct, 18:37 UTC	Challenge detected	402	330ms
30 Sept, 17:04 UTC	Challenge detected	402	195ms

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 Decode MessagePack/CBOR to JSON?

Its listed price is $0.004.

What payment terms does Decode MessagePack/CBOR to JSON 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 Decode MessagePack/CBOR to JSON listed?

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

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