# Directory (filtered), page 2 of 2

Home > Browse > Directory

133 sites · 577 category unknown

Filters combine: different facets must all match; values within one facet are alternatives.

## Capability

- [MCP](https://knowngood.sh/directory.md?category=email-messaging&has=mcp) — 88
- [Markdown](https://knowngood.sh/directory.md?category=email-messaging&has=md) — 122
- [Endpoint (MCP or API catalog)](https://knowngood.sh/directory.md?category=email-messaging&has=endpoint) — 115
- [WebMCP](https://knowngood.sh/directory.md?category=email-messaging&has=webmcp) — 3

## Can act

- [Agent can act](https://knowngood.sh/directory.md?category=email-messaging&act=1) — 65

## Checks passed

- [5 of 5](https://knowngood.sh/directory.md?category=email-messaging&tier=5) — 3
- [4 of 5](https://knowngood.sh/directory.md?category=email-messaging&tier=4) — 84
- [3 of 5](https://knowngood.sh/directory.md?category=email-messaging&tier=3) — 17
- [2 of 5](https://knowngood.sh/directory.md?category=email-messaging&tier=2) — 21
- [1 of 5](https://knowngood.sh/directory.md?category=email-messaging&tier=1) — 8

## Type

- [documentation](https://knowngood.sh/directory.md?type=documentation&category=email-messaging) — 76
- [saas](https://knowngood.sh/directory.md?type=saas&category=email-messaging) — 47
- [tool](https://knowngood.sh/directory.md?type=tool&category=email-messaging) — 5
- [ecommerce](https://knowngood.sh/directory.md?type=ecommerce&category=email-messaging) — 2
- [business](https://knowngood.sh/directory.md?type=business&category=email-messaging) — 1
- [community](https://knowngood.sh/directory.md?type=community&category=email-messaging) — 1
- [directory](https://knowngood.sh/directory.md?type=directory&category=email-messaging) — 1

## Country

- [BR](https://knowngood.sh/directory.md?country=BR&category=email-messaging) — 2
- [CZ](https://knowngood.sh/directory.md?country=CZ&category=email-messaging) — 2
- [PL](https://knowngood.sh/directory.md?country=PL&category=email-messaging) — 2
- [US](https://knowngood.sh/directory.md?country=US&category=email-messaging) — 2
- [AR](https://knowngood.sh/directory.md?country=AR&category=email-messaging) — 1
- [CA](https://knowngood.sh/directory.md?country=CA&category=email-messaging) — 1
- [DK](https://knowngood.sh/directory.md?country=DK&category=email-messaging) — 1
- [FI](https://knowngood.sh/directory.md?country=FI&category=email-messaging) — 1
- [KR](https://knowngood.sh/directory.md?country=KR&category=email-messaging) — 1
- [PH](https://knowngood.sh/directory.md?country=PH&category=email-messaging) — 1
- [SA](https://knowngood.sh/directory.md?country=SA&category=email-messaging) — 1
- [SK](https://knowngood.sh/directory.md?country=SK&category=email-messaging) — 1
- unknown — 117

## Category

- [AI agents](https://knowngood.sh/directory.md?category=ai-agents,email-messaging) — 1,680
- [SDKs and API clients](https://knowngood.sh/directory.md?category=email-messaging,sdks-api-clients) — 981
- [blockchain and web3](https://knowngood.sh/directory.md?category=blockchain-web3,email-messaging) — 1,007
- [programming languages and frameworks](https://knowngood.sh/directory.md?category=email-messaging,programming-languages-frameworks) — 772
- [digital products](https://knowngood.sh/directory.md?category=digital-products,email-messaging) — 773
- [health](https://knowngood.sh/directory.md?category=email-messaging,health) — 773
- [analytics and observability](https://knowngood.sh/directory.md?category=analytics-observability,email-messaging) — 765
- [payments](https://knowngood.sh/directory.md?category=email-messaging,payments) — 655
- [lifestyle and personal](https://knowngood.sh/directory.md?category=email-messaging,lifestyle-personal) — 639
- [arts and culture](https://knowngood.sh/directory.md?category=arts-culture,email-messaging) — 592
- [technology](https://knowngood.sh/directory.md?category=email-messaging,technology) — 584
- [SEO](https://knowngood.sh/directory.md?category=email-messaging,seo) — 564
- [community and nonprofits](https://knowngood.sh/directory.md?category=community-nonprofits,email-messaging) — 541
- [web design and development](https://knowngood.sh/directory.md?category=email-messaging,web-design-development) — 509
- [productivity and documents software](https://knowngood.sh/directory.md?category=email-messaging,productivity-documents-software) — 496
- [news and current affairs](https://knowngood.sh/directory.md?category=email-messaging,news-current-affairs) — 496
- [beauty and personal care products](https://knowngood.sh/directory.md?category=beauty-personal-care-products,email-messaging) — 492
- [cloud and hosting](https://knowngood.sh/directory.md?category=cloud-hosting,email-messaging) — 483
- [medical aesthetics](https://knowngood.sh/directory.md?category=email-messaging,medical-aesthetics) — 482
- [security and identity](https://knowngood.sh/directory.md?category=email-messaging,security-identity) — 473
- [developer platforms](https://knowngood.sh/directory.md?category=developer-platforms,email-messaging) — 455
- [build and test tooling](https://knowngood.sh/directory.md?category=build-test-tooling,email-messaging) — 442
- [construction and roofing](https://knowngood.sh/directory.md?category=construction-roofing,email-messaging) — 447
- [gaming](https://knowngood.sh/directory.md?category=email-messaging,gaming) — 448
- [search and data APIs](https://knowngood.sh/directory.md?category=email-messaging,search-data-apis) — 440
- [conversational and voice AI](https://knowngood.sh/directory.md?category=conversational-voice-ai,email-messaging) — 422
- [travel](https://knowngood.sh/directory.md?category=email-messaging,travel) — 424
- [fashion and clothing](https://knowngood.sh/directory.md?category=email-messaging,fashion-clothing) — 422
- [online courses](https://knowngood.sh/directory.md?category=email-messaging,online-courses) — 415
- [marketing software](https://knowngood.sh/directory.md?category=email-messaging,marketing-software) — 390
- [financial services](https://knowngood.sh/directory.md?category=email-messaging,financial-services) — 394
- [furniture and home decor](https://knowngood.sh/directory.md?category=email-messaging,furniture-home-decor) — 392
- [workflow automation software](https://knowngood.sh/directory.md?category=email-messaging,workflow-automation-software) — 388
- [sports](https://knowngood.sh/directory.md?category=email-messaging,sports) — 389
- [digital marketing agencies](https://knowngood.sh/directory.md?category=digital-marketing-agencies,email-messaging) — 370
- [tours and activities](https://knowngood.sh/directory.md?category=email-messaging,tours-activities) — 362
- [automotive](https://knowngood.sh/directory.md?category=automotive,email-messaging) — 357
- [extensions and plugins](https://knowngood.sh/directory.md?category=email-messaging,extensions-plugins) — 356
- [food and cooking](https://knowngood.sh/directory.md?category=email-messaging,food-cooking) — 351
- [IT services and cybersecurity](https://knowngood.sh/directory.md?category=email-messaging,it-services-cybersecurity) — 346
- [CRM and sales software](https://knowngood.sh/directory.md?category=crm-sales-software,email-messaging) — 335
- [schools and language learning](https://knowngood.sh/directory.md?category=email-messaging,schools-language-learning) — 342
- [parenting and family](https://knowngood.sh/directory.md?category=email-messaging,parenting-family) — 341
- [industrial and trade supplies](https://knowngood.sh/directory.md?category=email-messaging,industrial-trade-supplies) — 340
- [food and drink retail](https://knowngood.sh/directory.md?category=email-messaging,food-drink-retail) — 339
- [medical clinics](https://knowngood.sh/directory.md?category=email-messaging,medical-clinics) — 335
- [real estate](https://knowngood.sh/directory.md?category=email-messaging,real-estate) — 325
- [databases and storage](https://knowngood.sh/directory.md?category=databases-storage,email-messaging) — 321
- [accounting and invoicing software](https://knowngood.sh/directory.md?category=accounting-invoicing-software,email-messaging) — 316
- [business consulting](https://knowngood.sh/directory.md?category=business-consulting,email-messaging) — 309
- [hotels and accommodation](https://knowngood.sh/directory.md?category=email-messaging,hotels-accommodation) — 302
- [restaurants and cafes](https://knowngood.sh/directory.md?category=email-messaging,restaurants-cafes) — 301
- [deals and discounts](https://knowngood.sh/directory.md?category=deals-discounts,email-messaging) — 289
- [music](https://knowngood.sh/directory.md?category=email-messaging,music) — 283
- [weddings and event services](https://knowngood.sh/directory.md?category=email-messaging,weddings-event-services) — 277
- [ecommerce infrastructure](https://knowngood.sh/directory.md?category=ecommerce-infrastructure,email-messaging) — 276
- [trading and investing platforms](https://knowngood.sh/directory.md?category=email-messaging,trading-investing-platforms) — 273
- [software development services](https://knowngood.sh/directory.md?category=email-messaging,software-development-services) — 270
- [jobs and recruiting](https://knowngood.sh/directory.md?category=email-messaging,jobs-recruiting) — 269
- [conferences and training events](https://knowngood.sh/directory.md?category=conferences-training-events,email-messaging) — 268
- [email and messaging](https://knowngood.sh/directory.md) (selected) — 133
- [weight loss clinics](https://knowngood.sh/directory.md?category=email-messaging,weight-loss-clinics) — 263
- [flowers and gifts](https://knowngood.sh/directory.md?category=email-messaging,flowers-gifts) — 250
- [perfume and fragrance](https://knowngood.sh/directory.md?category=email-messaging,perfume-fragrance) — 247
- [travel agencies and booking](https://knowngood.sh/directory.md?category=email-messaging,travel-agencies-booking) — 246
- [wellness and spa](https://knowngood.sh/directory.md?category=email-messaging,wellness-spa) — 243
- [fitness](https://knowngood.sh/directory.md?category=email-messaging,fitness) — 232
- [insurance](https://knowngood.sh/directory.md?category=email-messaging,insurance) — 231
- [generative media](https://knowngood.sh/directory.md?category=email-messaging,generative-media) — 228
- [hair and beauty salons](https://knowngood.sh/directory.md?category=email-messaging,hair-beauty-salons) — 227
- [sports clubs and organisations](https://knowngood.sh/directory.md?category=email-messaging,sports-clubs-organisations) — 227
- [legal services](https://knowngood.sh/directory.md?category=email-messaging,legal-services) — 225
- [beauty](https://knowngood.sh/directory.md?category=beauty,email-messaging) — 223
- [auto sales and service](https://knowngood.sh/directory.md?category=auto-sales-service,email-messaging) — 217
- [customer support software](https://knowngood.sh/directory.md?category=customer-support-software,email-messaging) — 212
- [cleaning services](https://knowngood.sh/directory.md?category=cleaning-services,email-messaging) — 212
- [dental care](https://knowngood.sh/directory.md?category=dental-care,email-messaging) — 212
- [embedded devices and firmware](https://knowngood.sh/directory.md?category=email-messaging,embedded-devices-firmware) — 210
- [photography](https://knowngood.sh/directory.md?category=email-messaging,photography) — 212
- [jewellery and watches](https://knowngood.sh/directory.md?category=email-messaging,jewellery-watches) — 210
- [AI consulting agencies](https://knowngood.sh/directory.md?category=ai-consulting-agencies,email-messaging) — 209
- [parking and transport services](https://knowngood.sh/directory.md?category=email-messaging,parking-transport-services) — 209
- [scheduling and events software](https://knowngood.sh/directory.md?category=email-messaging,scheduling-events-software) — 201
- [faith and religion](https://knowngood.sh/directory.md?category=email-messaging,faith-religion) — 200
- [plumbing and HVAC](https://knowngood.sh/directory.md?category=email-messaging,plumbing-hvac) — 200
- [electronics](https://knowngood.sh/directory.md?category=electronics,email-messaging) — 198
- [internet and telecom providers](https://knowngood.sh/directory.md?category=email-messaging,internet-telecom-providers) — 197
- [pet supplies](https://knowngood.sh/directory.md?category=email-messaging,pet-supplies) — 186
- [medical and health supplies](https://knowngood.sh/directory.md?category=email-messaging,medical-health-supplies) — 185
- [auto parts](https://knowngood.sh/directory.md?category=auto-parts,email-messaging) — 180
- [moving and storage](https://knowngood.sh/directory.md?category=email-messaging,moving-storage) — 176
- [car rental](https://knowngood.sh/directory.md?category=car-rental,email-messaging) — 175
- [accounting and tax services](https://knowngood.sh/directory.md?category=accounting-tax-services,email-messaging) — 171
- [pharmacies](https://knowngood.sh/directory.md?category=email-messaging,pharmacies) — 165
- [catering and food services](https://knowngood.sh/directory.md?category=catering-food-services,email-messaging) — 164
- [senior care](https://knowngood.sh/directory.md?category=email-messaging,senior-care) — 160
- [sports and outdoor equipment](https://knowngood.sh/directory.md?category=email-messaging,sports-outdoor-equipment) — 160
- [dermatology](https://knowngood.sh/directory.md?category=dermatology,email-messaging) — 156
- [e-signatures](https://knowngood.sh/directory.md?category=e-signatures,email-messaging) — 154
- [pest control](https://knowngood.sh/directory.md?category=email-messaging,pest-control) — 149
- [tattoo studios](https://knowngood.sh/directory.md?category=email-messaging,tattoo-studios) — 149

## Platform

- [mintlify](https://knowngood.sh/directory.md?category=email-messaging&platform=mintlify) — 80
- unknown — 53

## Verified within

Of the latest check, 2026-08-28.

- [7 days](https://knowngood.sh/directory.md?category=email-messaging&since=7d) — 133
- [30 days](https://knowngood.sh/directory.md?category=email-messaging&since=30d) — 133
- [90 days](https://knowngood.sh/directory.md?category=email-messaging&since=90d) — 133

## Sites — page 2 of 2

- [Infobip](https://knowngood.sh/site/www.infobip.com.md) — www.infobip.com · saas · country unknown · 3 of 5 · Markdown, llms.txt · can act: yes · verified 2026-08-23
- [JetEmail](https://knowngood.sh/site/jetemail.com.md) — jetemail.com · saas · country unknown · 3 of 5 · Markdown, llms.txt, OpenAPI · can act: yes · verified 2026-08-23
- [Synology Camera License 24x7](https://knowngood.sh/site/synopower.club.md) — synopower.club · ecommerce · country unknown · 3 of 5 · Markdown, llms.txt, OpenAPI · can act: yes · verified 2026-08-23
- [email-sdk.dev](https://knowngood.sh/site/email-sdk.dev.md) — email-sdk.dev · tool · country unknown · 3 of 5 · Markdown, llms.txt, OpenAPI · can act: yes · verified 2026-08-22
- [Ecomail.cz](https://knowngood.sh/site/local.ecomail.cz.md) — local.ecomail.cz · saas · CZ · 2 of 5 · Markdown, llms.txt · can act: yes · verified 2026-08-23
- [Notifly](https://knowngood.sh/site/notifly.tech.md) — notifly.tech · saas · KR · 2 of 5 · Markdown, llms.txt · can act: yes · verified 2026-08-23
- [Ecomail.pl](https://knowngood.sh/site/local.ecomail.pl.md) — local.ecomail.pl · saas · PL · 2 of 5 · Markdown, llms.txt · can act: yes · verified 2026-08-23
- [Ecomail.cz](https://knowngood.sh/site/ecomail.cz.md) — ecomail.cz · saas · CZ · 2 of 5 · Markdown, llms.txt · can act: yes · verified 2026-08-23
- [QuickBlox](https://knowngood.sh/site/docs.quickblox.com.md) — docs.quickblox.com · documentation · country unknown · 2 of 5 · MCP, llms.txt · can act: no · verified 2026-08-23
- [NLPearl Documentation](https://knowngood.sh/site/developers.nlpearl.ai.md) — developers.nlpearl.ai · documentation · country unknown · 2 of 5 · MCP, llms.txt · can act: no · verified 2026-08-23
- [Wavix Docs](https://knowngood.sh/site/docs.wavix.com.md) — docs.wavix.com · documentation · country unknown · 2 of 5 · MCP, llms.txt · can act: yes · verified 2026-08-23
- [ValidKit](https://knowngood.sh/site/validkit.com.md) — validkit.com · saas · country unknown · 2 of 5 · Markdown, OpenAPI · can act: no · verified 2026-08-23
- [GBG Loqate](https://knowngood.sh/site/docs.loqate.com.md) — docs.loqate.com · documentation · country unknown · 2 of 5 · MCP, llms.txt · can act: yes · verified 2026-08-23
- [Ecomail.sk](https://knowngood.sh/site/ecomail.sk.md) — ecomail.sk · saas · SK · 2 of 5 · Markdown, llms.txt · can act: yes · verified 2026-08-23
- [MailerSend](https://knowngood.sh/site/www.mailersend.com.md) — www.mailersend.com · saas · country unknown · 2 of 5 · Markdown, OpenAPI · can act: yes · verified 2026-08-23
- [Seconds](https://knowngood.sh/site/seconds.me.md) — seconds.me · saas · country unknown · 2 of 5 · Markdown, llms.txt · can act: yes · verified 2026-08-23
- [Niche](https://knowngood.sh/site/www.getniche.ai.md) — www.getniche.ai · saas · country unknown · 2 of 5 · WebMCP, Markdown, llms.txt · can act: yes · verified 2026-08-23
- [IPROG TECH](https://knowngood.sh/site/iprogtech.com.md) — iprogtech.com · business · PH · 2 of 5 · Markdown, OpenAPI · can act: yes · verified 2026-08-23
- [Ecomail.pl](https://knowngood.sh/site/ecomail.pl.md) — ecomail.pl · saas · PL · 2 of 5 · Markdown, llms.txt · can act: yes · verified 2026-08-23
- [MailChannels](https://knowngood.sh/site/docs.mailchannels.com.md) — docs.mailchannels.com · documentation · country unknown · 2 of 5 · MCP, llms.txt · can act: no · verified 2026-08-23
- [Broodnet](https://knowngood.sh/site/docs.broodnet.com.md) — docs.broodnet.com · documentation · country unknown · 2 of 5 · Markdown, llms.txt · can act: no · verified 2026-08-23
- [SendLayer API Documentation](https://knowngood.sh/site/developers.sendlayer.com.md) — developers.sendlayer.com · documentation · country unknown · 2 of 5 · MCP, llms.txt · can act: no · verified 2026-08-23
- [OneSignal](https://knowngood.sh/site/documentation.onesignal.com.md) — documentation.onesignal.com · documentation · country unknown · 2 of 5 · MCP, llms.txt · can act: no · verified 2026-08-23
- [Email-Check.app](https://knowngood.sh/site/email-check.app.md) — email-check.app · saas · country unknown · 2 of 5 · Markdown, OpenAPI · can act: yes · verified 2026-08-23
- [SBMG](https://knowngood.sh/site/sbmg.app.md) — sbmg.app · documentation · country unknown · 2 of 5 · MCP, llms.txt · can act: yes · verified 2026-08-22
- [Best Newsletter Tools](https://knowngood.sh/site/www.bestnewslettertools.com.md) — www.bestnewslettertools.com · directory · country unknown · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Viajalo](https://knowngood.sh/site/www.viajalo.ar.md) — www.viajalo.ar · saas · AR · 1 of 5 · llms.txt · can act: yes · verified 2026-08-23
- [Saperly](https://knowngood.sh/site/saperly.com.md) — saperly.com · saas · country unknown · 1 of 5 · llms.txt · can act: yes · verified 2026-08-23
- [BIG Launcher](https://knowngood.sh/site/biglauncher.com.md) — biglauncher.com · saas · country unknown · 1 of 5 · Markdown · can act: no · verified 2026-08-23
- [ssaprus.works](https://knowngood.sh/site/ssaprus.works.md) — ssaprus.works · tool · country unknown · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Kapso](https://knowngood.sh/site/kapso.com.md) — kapso.com · saas · country unknown · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Bandwidth](https://knowngood.sh/site/www.bandwidth.com.md) — www.bandwidth.com · saas · country unknown · 1 of 5 · Markdown · can act: no · verified 2026-08-23
- [Phone-Check.app](https://knowngood.sh/site/phone-check.app.md) — phone-check.app · saas · country unknown · 1 of 5 · OpenAPI · can act: yes · verified 2026-08-23

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