Reports · Updated 2026-10-18

x402 reliability report: October 2026

In October 2026, DartzDabz tracked 607 x402 endpoints across 385 hosts as of Oct 18, 2026: 561 scored and 46 opted out via robots.txt. 519 scored grade A and 32 scored F, 532 returned a valid x402 payment challenge, and median latency was 159 ms.

x402 APIs · Methodology · Monthly reports · JSON feed

Data as of Oct 18, 2026 (this month is still running; the report refreshes with each daily check and freezes when the month ends). Method: how we score x402 APIs.

What are the headline numbers?

Endpoints tracked	607 (561 scored, 46 opted out)
Hosts	385
Valid x402 payment challenge	532 of 561 scored
Returned 402 without parseable requirements	1
Did not return 402 to an unpaid request	28
Did not respond within 10 s	1
Median latency (scored)	159 ms; 90th percentile 549 ms
Median advertised price	$0.005 per call

How are grades distributed?

Grade	Endpoints	Share of scored
A	519	92.5%
B	10	1.8%
C	0	0%
D	0	0%
F	32	5.7%

Which x402 endpoints scored highest?

Top 20 by score, ties broken by latency. Single-point automated checks, not endorsements.

#	Endpoint	Grade	Score	Latency	Price
1	767-2676.com receipt 767-2676.com	A	100	20 ms	$0.001
2	mimirapi.com ping mimirapi.com	A	100	21 ms	$0.001
3	sendcheck-x402.pennyforgeorg.workers.dev check sendcheck-x402.pennyforgeorg.workers.dev	A	100	26 ms	$0.01
4	tools.miniframe.com.br cep tools.miniframe.com.br	A	100	28 ms	$0.005
5	mysticapi.com today mysticapi.com	A	100	28 ms	$0.01
6	api.oblique.markets base-block-number api.oblique.markets	A	100	29 ms	$0.002
7	contextslim.friczero.com fetch contextslim.friczero.com	A	100	31 ms	$0.001
8	chat.gedx402.com completions chat.gedx402.com	A	100	31 ms	$0.005
9	longwatch.dev check longwatch.dev	A	100	31 ms	$0.001
10	minifetch.com url-check minifetch.com	A	100	32 ms	$0.001
11	brasil-dados-api.onrender.com cambio brasil-dados-api.onrender.com	A	100	33 ms	$0.002
12	402oracle.com price 402oracle.com	A	100	33 ms	$0.02
13	x402.charliemorrison.dev extract x402.charliemorrison.dev	A	100	35 ms	$0.002
14	api.kadec0.xyz serp api.kadec0.xyz	A	100	36 ms	$0.05
15	402oracle.com freshness 402oracle.com	A	100	36 ms	$0.02
16	agent-paycheck.onrender.com check agent-paycheck.onrender.com	A	100	36 ms	$0.002
17	squeezeos-api.onrender.com credits squeezeos-api.onrender.com	A	100	37 ms	$0.005
18	multichain-rpc.clankerceo.workers.dev balance multichain-rpc.clankerceo.workers.dev	A	100	38 ms	$0.002
19	x402.dailyelo.com recent x402.dailyelo.com	A	100	38 ms	$0.005
20	api.oblique.markets time api.oblique.markets	A	100	40 ms	$0.01

What are the most common problems?

Add an outputSchema or mimeType so agents know what they get: 105 endpoints
Returned a non-402 status to an unpaid POST; x402 expects 402 Payment Required: 16 endpoints
Returned a non-402 status to an unpaid GET; x402 expects 402 Payment Required: 11 endpoints
Add a description to the payment requirements: 10 endpoints
Payment requirements missing scheme: 3 endpoints
Payment requirements missing network: 3 endpoints
Payment requirements missing payTo: 3 endpoints
Endpoint did not respond within 10 s: 1 endpoint

Which networks do x402 endpoints use?

eip155:8453: 566
solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp: 29
eip155:84532: 7
eip155:1: 3
eip155:56: 1
eip155:196: 1

Full data for every endpoint: x402-scores.json, licensed under CC BY 4.0 (credit DartzDabz with a link to https://dartzdabz.com/).