CrawlDex
Check

Developer, SaaS, And API ranking

Best and worst sites for AI agents to read api documentation.

Ranked from recent CrawlDex observations. Last verified Jun 9, 2026. Based on 107 observations.

Publication status

Search-ready
95
ranked websites
100
best AES
0
hardest AES
73%
board handoff share

Search indexing requires at least eight recent qualifying rows. This page still serves the full table for agents and humans when the count is lower.

Ranked table

All ranked sites for agents trying to read api documentation

Outcome signal is shown on the same 0-100 scale as the public AES board until split outcome rates are exposed by the board feed.

RankSiteAESOutcome signalTop blockerLast verified
1Adyen

adyen.com

100100%hidden or obstructing modalsJun 9, 2026
2Apollographql

apollographql.com

100100%none observedJun 9, 2026
3Discord

discord.com

100100%none observedJun 9, 2026
4Github

github.com

100100%none observedJun 9, 2026
5Groq

groq.com

100100%hidden or obstructing modalsJun 9, 2026
6Hasura

hasura.io

100100%none observedJun 9, 2026
7Here

here.com

100100%hidden or obstructing modalsJun 9, 2026
8Mistral

mistral.ai

100100%none observedJun 9, 2026
9Mongodb

mongodb.com

100100%hidden or obstructing modalsJun 9, 2026
10Posthog

posthog.com

100100%none observedJun 9, 2026
11Squareup

squareup.com

100100%account or portal handoffJun 9, 2026
12Statuspage

statuspage.io

100100%none observedJun 9, 2026
13Stoplight

stoplight.io

100100%hidden or obstructing modalsJun 9, 2026
14Chargebee

chargebee.com

9090%login wallsJun 9, 2026
15Airtable

airtable.com

8080%login wallsJun 9, 2026
16Algolia

algolia.com

8080%login wallsJun 9, 2026
17Amazon

amazon.com

8080%login wallsJun 9, 2026
18Anthropic

anthropic.com

8080%login wallsJun 9, 2026
19Atlassian

atlassian.com

8080%login wallsJun 9, 2026
20Bitbucket

bitbucket.org

8080%login wallsJun 9, 2026
21Braintreepayments

braintreepayments.com

8080%login wallsJun 9, 2026
22Cockroachlabs

cockroachlabs.com

8080%login wallsJun 9, 2026
23Cohere

cohere.com

8080%login wallsJun 9, 2026
24Datadog

datadog.com

8080%login wallsJun 9, 2026
25Deepgram

deepgram.com

8080%login wallsJun 9, 2026
26Digitalocean

digitalocean.com

8080%login wallsJun 9, 2026
27Docker

docker.com

8080%login wallsJun 9, 2026
28Elastic

elastic.co

8080%login wallsJun 9, 2026
29Elevenlabs

elevenlabs.io

8080%login wallsJun 9, 2026
30Exa

exa.ai

8080%login wallsJun 9, 2026
31Firecrawl

firecrawl.dev

8080%login wallsJun 9, 2026
32Heroku

heroku.com

8080%login wallsJun 9, 2026
33Honeycomb

honeycomb.io

8080%login wallsJun 9, 2026
34Huggingface

huggingface.co

8080%login wallsJun 9, 2026
35Inngest

inngest.com

8080%login wallsJun 9, 2026
36Jina

jina.ai

8080%login wallsJun 9, 2026
37Launchdarkly

launchdarkly.com

8080%login wallsJun 9, 2026
38Linear

linear.app

8080%login wallsJun 9, 2026
39Mailgun

mailgun.com

8080%login wallsJun 9, 2026
40Make

make.com

8080%login wallsJun 9, 2026
41Mapbox

mapbox.com

8080%login wallsJun 9, 2026
42Microsoft

microsoft.com

8080%login wallsJun 9, 2026
43Mixpanel

mixpanel.com

8080%login wallsJun 9, 2026
44N8n

n8n.io

8080%login wallsJun 9, 2026
45Neon

neon.tech

8080%login wallsJun 9, 2026
46Newrelic

newrelic.com

8080%login wallsJun 9, 2026
47Notion

notion.com

8080%login wallsJun 9, 2026
48Npmjs

npmjs.com

8080%login wallsJun 9, 2026
49Okta

okta.com

8080%login wallsJun 9, 2026
50Opencagedata

opencagedata.com

8080%login wallsJun 9, 2026
51Pagerduty

pagerduty.com

8080%login wallsJun 9, 2026
52Paypal

paypal.com

8080%login wallsJun 9, 2026
53Perplexity

perplexity.ai

8080%login wallsJun 9, 2026
54Plaid

plaid.com

8080%login wallsJun 9, 2026
55Planetscale

planetscale.com

8080%login wallsJun 9, 2026
56Postman

postman.com

8080%login wallsJun 9, 2026
57Postmarkapp

postmarkapp.com

8080%login wallsJun 9, 2026
58Pypi

pypi.org

8080%login wallsJun 9, 2026
59Railway

railway.app

8080%login wallsJun 9, 2026
60Rapidapi

rapidapi.com

8080%login wallsJun 9, 2026
61Readme

readme.com

8080%login wallsJun 9, 2026
62Recurly

recurly.com

8080%login wallsJun 9, 2026
63Render

render.com

8080%login wallsJun 9, 2026
64Replicate

replicate.com

8080%login wallsJun 9, 2026
65Resend

resend.com

8080%login wallsJun 9, 2026
66Segment

segment.com

8080%login wallsJun 9, 2026
67Sendgrid

sendgrid.com

8080%login wallsJun 9, 2026
68Serpapi

serpapi.com

8080%login wallsJun 9, 2026
69Shopify

shopify.dev

8080%login wallsJun 9, 2026
70Slack

slack.com

8080%login wallsJun 9, 2026
71Split

split.io

8080%login wallsJun 9, 2026
72Statsig

statsig.com

8080%login wallsJun 9, 2026
73Supabase

supabase.com

8080%login wallsJun 9, 2026
74Tavily

tavily.com

8080%login wallsJun 9, 2026
75Temporal

temporal.io

8080%login wallsJun 9, 2026
76Together

together.ai

8080%login wallsJun 9, 2026
77Trigger

trigger.dev

8080%login wallsJun 9, 2026
78Workos

workos.com

8080%login wallsJun 9, 2026
79Zapier

zapier.com

8080%login wallsJun 9, 2026
80Redis

redis.io

5050%hidden or obstructing modalsJun 9, 2026
81Amplitude

amplitude.com

4040%unstable page controlsJun 9, 2026
82Fly

fly.io

4040%login wallsJun 9, 2026
83Google

google.com

4040%unstable page controlsJun 9, 2026
84Netlify

netlify.com

4040%login wallsJun 9, 2026
85Openai

openai.com

4040%login wallsJun 9, 2026
86Stainlessapi

stainlessapi.com

4040%unstable page controlsJun 9, 2026
87Weaviate

weaviate.io

4040%login wallsJun 9, 2026
88Auth0

auth0.com

00%bot detection blocksJun 9, 2026
89Browserbase

browserbase.com

00%bot detection blocksJun 9, 2026
90Clerk

clerk.com

00%bot detection blocksJun 9, 2026
91Qdrant

qdrant.tech

00%navigation failedJun 9, 2026
92Sentry

sentry.io

00%bot detection blocksJun 9, 2026
93Twilio

twilio.com

00%bot detection blocksJun 9, 2026
94Upstash

upstash.com

00%bot detection blocksJun 9, 2026
95Vercel

vercel.com

00%bot detection blocksJun 9, 2026

Worst-of section

The hardest developer, saas, and api sites for AI agents