Bluesky

What Bluesky does

Bluesky Social PBC operates Bluesky, a decentralized microblogging social network serving consumers seeking an open-protocol alternative to incumbent platforms. Founded in 2021 as a Public Benefit Corporation, the company is headquartered in Seattle and grew from 13 million registered users at its October 2024 Series A to 43-44 million globally by May 2026, distributed across its first-party iOS, Android, and web apps as well as federated Personal Data Servers. The company's core technology is the AT Protocol (atproto), an open-source, federated framework that enables account portability, algorithmic choice, and composable moderation, differentiating it from centralized social networks and from prior federated alternatives like Mastodon.

Bluesky's product portfolio spans the reference Bluesky app plus a broader 'Atmosphere' ecosystem of 500+ third-party apps built on atproto, including Attie (AI-powered custom feed builder), Germ DM (end-to-end encrypted messaging), Streamplace (live streaming), Leaflet.pub and Offprint (long-form content), Graze (custom feed design), Tangled (social git), and Skylight (alternative client). Native features include Direct Messages, 100,000+ user-built Custom Feeds, Custom Domain Handles (309,000+ accounts), Verification Badges and Trusted Verifiers (21 organizations including Wired, CNN, European Commission), Cashtags for finance, Starter Packs, Find Friends (privacy-preserving contact matching), Drafts, Group Chats, Dislike button, and a Reddit-style Communities feature. AI capabilities include ML-based reply toxicity filtering (Hive for image/video moderation) and the Attie agentic assistant built on Anthropic's Claude.

Bluesky's business model is pre-monetization. The core app is free, with interim CEO Toni Schneider publicly emphasizing Bluesky remaining ad-free in the near term. Planned and emerging revenue streams include Bluesky+ premium subscription (in development with mockups for enhanced video, profile customization, and verification badges), advertising (announced future stream), Namecheap-powered custom domain sales (transaction pass-through), and vertical partnerships (sports, finance). The company has raised $123 million+ in cumulative venture funding ($8M seed 2023, $15M Series A 2024, $100M Series B 2025) at a reported $700M pre-Series B valuation, led by Bain Capital Crypto, Blockchain Capital, and Neo, with active hiring across ML, Platform, Product, Growth, and Trust & Safety.

Name

Bluesky

Legal name

Bluesky Social PBC

Website

https://bsky.social

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

11–50 employees

Short description

Bluesky Social PBC operates a decentralized microblogging social network built on the open AT Protocol, serving 43-44 million registered consumers globally via iOS, Android, and web apps alongside a 500+ app Atmosphere developer ecosystem, with planned monetization through a premium Bluesky+ subscription, advertising, and domain sales.

Ownership category

akta.pro rank

Headquarters

HQ city

Seattle

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Operations, Marketing or Sales, Others

Revenue model

1. Bluesky+ Premium Subscription (in development): Paid subscription tier teased with mockups including enhanced video quality, profile customization, and verification badges. Feature list and pricing not yet finalized; intended as alternative revenue stream alongside advertising and domain sales.
2. Domain Sales (Namecheap Integration): Users can purchase and manage custom domains directly through Bluesky via Namecheap integration to use as their handle (paid service); positioned as a paid service alternative to ad revenue.
3. Advertising (planned future stream): Advertising mentioned as one of the alternative revenue streams under exploration. Company publicly emphasizes remaining 'ad-free' in the short term (per Toni Schneider's interim CEO statement).
4. Custom Algorithmic Feeds / Cashtags (engagement monetization potential): Cashtags, finance feeds, and Sports Partnership Manager job opening signal intent to monetize through vertical partnerships and engagement-driven premium surfaces.

Pricing tiers

Go-to-market motion1 record

Distribution channels6 records

Marketing channels8 records

Core offering

Bluesky operates a decentralized social media platform built on the open-source AT Protocol (atproto), a federated framework that lets users post short-form content, choose their own algorithmic feeds, and retain portable identity and social graph across Personal Data Servers. Its flagship Bluesky app is available on iOS, Android, and web, with over 44 million registered users as of May 2026, and the surrounding 'Atmosphere' developer ecosystem hosts 500+ interoperable apps built on atproto.

Product overview

Bluesky operates a two-tier architecture: the AT Protocol (atproto), an open-source federated framework for building interoperable social apps, and the Bluesky app itself as the reference client showcasing the protocol's capabilities. Together they form the 'Atmosphere' ecosystem, which also encompasses third-party apps built on atproto such as Attie (an AI-powered custom feed builder), Germ DM (end-to-end encrypted messaging), Streamplace (live streaming), Leaflet.pub and Offprint (long-form content), Graze (custom feed design), Tangled (social git), and Skylight (cross-platform identity). The Bluesky app is a decentralized microblogging platform offering core features including Direct Messages, Custom Feeds (over 100,000 user-built algorithms), Custom Domain Handles, Starter Packs, Find Friends, Drafts, Group Chats, Verification Badges, Cashtags, and the Dislike button beta. The Bluesky+ paid subscription tier has been announced but not yet launched. Compliance features include an Age Assurance System implemented in partnership with Kids Web Services across multiple jurisdictions, plus the open-source Ozone moderation tool. BlueSky's investment in AI capabilities is exemplified by Attie (the company's first agentic app) and Hive-powered automated content moderation for image and video classification.

Differentiator

Problem solved

Functional benefit

Brands

• Bluesky+: Premium subscription service in development, featuring enhanced video quality, profile customization, and verification badges.
• Attie
• The Atmosphere

Products and services

• Bluesky App Reference client for the AT Protocol offering decentralized microblogging with composable feeds, custom moderation, direct messages, custom domain handles, and starter packs. Free signup on web, iOS, and Android for individual users.
• AT Protocol (atproto) Open-source framework for building interoperable social apps with account portability, algorithmic choice, and composable moderation. Powers Bluesky's own app and 500+ third-party apps in the Atmosphere developer ecosystem, with public APIs, SDKs, and a public firehose available via docs.bsky.app.
• Attie AI App Standalone agentic AI app on the AT Protocol powered by Anthropic's Claude that lets users design and code custom social media feeds and applications through natural language, without programming experience. Bluesky's first agentic coding application in the atproto ecosystem.
• Custom Domain Handles (Namecheap Integration) Paid self-serve service that lets users purchase and manage custom domains through account.bsky.app via Namecheap and use the domain as their Bluesky username; 309,000+ accounts use domain handle verification.
• Ozone Moderation Tool Open-source moderation tooling that lets independent moderation teams and label services collaboratively review user reports, apply labels, and moderate content on the AT Protocol network; supports Bluesky's composable moderation approach.
• Bluesky+ Premium Subscription Paid subscription tier teased for the Bluesky app with planned features such as enhanced video quality, profile customization, and verification badges; not yet launched and intended as an alternative revenue stream alongside advertising and domain sales.

Named customers10 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration17 records

AI capability12 records

Feature10 records

Partnerships

27 partnerships are on record, tiered core ecosystem integration, ecosystem showcase partner, core ai technology partner, minor ecosystem partner, flagship privacy integration, strategic regulatory partnership, core integration, core safety infrastructure, core child-safety infrastructure, core compliance infrastructure, operational compliance partner, operational safety partner, operational compliance infrastructure, core distribution partner for domain handles, core co-developer for finance feeds, core atmosphere ecosystem partner, minor co-marketing partner, foundational sponsor and foundational board member.

• Standard.sitecore ecosystem integrationTechnology or Integration · 28 May 2026Integration that lets Bluesky users access long-form articles, blogs, and newsletters from Standard.site-compatible apps (Leaflet, pckt, Offprint) directly inside the Bluesky app — Bluesky's second such expansion after Germ.
• Harvard Applied Social Media Lab (Keyring)ecosystem showcase partnerStrategic or Co-development Partner · 5 May 2026Harvard's Keyring open-source identity wallet (stores biometric data locally) is being demonstrated on Bluesky via the AT Protocol, with collaboration from the Linux Foundation's Decentralized Trust Graph Working Group.
• Anthropiccore ai technology partnerTechnology or Integration · 30 March 2026Anthropic's Claude model powers Bluesky's Attie AI assistant (vibe-coded custom-feed builder) — Attie is Bluesky's first agentic coding app integrated into the atproto ecosystem.
• Aether OSminor ecosystem partnerStrategic or Co-development Partner · 16 March 2026New browser-based operating system (alpha) that integrates Bluesky's AT Protocol directly into its environment — community-driven protocol-native computing project.
• Daniel Roe / Nuxt project at Vercel (npmx)minor ecosystem partnerGTM or Marketing Partner · 5 March 2026Bluesky provided a $6,000 grant and AT Protocol integration for npmx, the open-source alternative browser for the npm registry launched by Nuxt/Vercel lead Daniel Roe.
• Germ Networkflagship privacy integrationTechnology or Integration · 18 February 2026End-to-end encrypted messenger (founded by former Apple privacy engineers) became the first private messenger to launch natively from the Bluesky app via AT Protocol integration; iOS App Clip opens encrypted DMs without requiring a phone number. After launch, Germ's daily active users jumped 5x.
• UK Government / Ofcomstrategic regulatory partnershipImplementation/ SI/ Consulting Partner · 10 July 2025Bluesky worked with the UK Government to implement age-assurance measures under the Online Safety Act; 274,163 UK accounts age-assured as of 2025.
• Buffercore integrationTechnology or IntegrationPartnership enabling users to schedule and cross-post content via Buffer, a social media toolkit. Announced July 30, 2024.
• Hivecore safety infrastructureTechnology or IntegrationThird-party provider used by Bluesky to scan every image and video for automated content moderation (labels such as adult, suggestive, nudity, graphic-media, self-harm). Neither Bluesky nor Hive retains images or uses them for AI training.
• Thorn (Safer tool)core child-safety infrastructureTechnology or IntegrationThorn's Safer tool provides industry-standard CSAM hash databases and additional detection methods to Bluesky's child-safety stack. 5,238 NCMEC reports submitted in 2025.
• Epic Games — Kids Web Services (KWS)core compliance infrastructureTechnology or IntegrationAge-assurance partner used to comply with UK (July 2025), US (various 2025), and Australian (December 2025) regulations; KWS AgeGraph provides access to 30M+ pre-verified users; 364,960 accounts age-assured in 2025.
• Verasafeoperational compliance partnerImplementation/ SI/ Consulting PartnerDesignated Bluesky's contact point under EU Regulation 2021/784 (Terrorist Content Online); requests must be made in English.
• National Center for Missing & Exploited Children (NCMEC)operational safety partnerImplementation/ SI/ Consulting PartnerReceives 5,238 child-safety reports per year from Bluesky with account details and confirmed illegal material.
• Kodex Globaloperational compliance infrastructureTechnology or IntegrationProvides Bluesky's official requests portal for law enforcement, government agencies, and legal representatives.
• Namecheapcore distribution partner for domain handlesChannel Partner/ Reseller/ DistributorPowers Bluesky's domain purchase flow at account.bsky.app, letting users buy and manage custom domains to use as their Bluesky handle.
• Graze Socialcore co-developer for finance feedsStrategic or Co-development PartnerIndependent developer on the AT Protocol that built Bluesky's finance feeds (US jobs/inflation reports, Nvidia earnings) and helps power Bluesky's custom-feed designer.
• Graze (custom feed designer app)core atmosphere ecosystem partnerTechnology or IntegrationVisual canvas-based editor for designing and deploying custom feeds on Bluesky/AT Protocol; featured on Bluesky's official ecosystem showcase page.
• Tangled (social git platform)core atmosphere ecosystem partnerTechnology or IntegrationSocial git platform on atproto where developers own code and communities self-govern; featured on Bluesky's official ecosystem showcase page.
• Skylight (AT Protocol client)core atmosphere ecosystem partnerTechnology or IntegrationMobile-first AT Protocol client that lets users switch clients while keeping audience, content, and followers; featured on Bluesky's official ecosystem showcase page.
• Leaflet.pubcore atmosphere ecosystem partnerTechnology or IntegrationFast, account-free tool for creating and sharing collaborative documents and blogs on the AT Protocol; featured on Bluesky's official ecosystem showcase page; included in Summer of Standard.site co-marketing.
• Stream.place (Streamplace)core atmosphere ecosystem partnerTechnology or IntegrationOpen-source video streaming layer for decentralized social networks; integrated with Bluesky's Live Now feature so streamers automatically get a 'LIVE' badge on Bluesky profiles.
• Germ Network (Ecosystem)core atmosphere ecosystem partnerTechnology or IntegrationPrivacy-first encrypted messenger with multiple identities and AT Protocol integration; featured on Bluesky's official ecosystem showcase page.
• Offprintminor co-marketing partnerGTM or Marketing PartnerAT Protocol blogging platform; included in Bluesky's 'Summer of Standard.site' co-promotion offering 25% off annual plans.
• pckt.blogminor co-marketing partnerGTM or Marketing PartnerAT Protocol blogging platform; included in Bluesky's 'Summer of Standard.site' co-promotion offering 25% off annual plans.
• Jack Dorsey (project sponsor)foundational sponsorStrategic or Co-development PartnerBluesky was initially a project kicked off by Jack Dorsey when he was CEO of Twitter in 2019; he chose Jay Graber to lead it. Twitter paid Bluesky services income to build the protocol until late 2022, when Twitter severed the agreement. Bluesky has been an independent Public Benefit Corporation since 2021.
• Jeremie Miller (Bluesky board)foundational board memberStrategic or Co-development PartnerInventor of Jabber/XMPP; sits on Bluesky Social PBC's board alongside Jay Graber, Mike Masnick (joined Aug 2024), and Kinjal Shah.
• Mike Masnick (Bluesky board)foundational board memberStrategic or Co-development PartnerJoined Bluesky's Board of Directors in August 2024 — Techdirt founder and longtime decentralized-internet commentator.

Scale indicators14 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Mastodon: Mastodon is the leading federated social network using ActivityPub and is Bluesky's closest decentralized social peer. Both target users leaving X, offer algorithmic choice vs. a single timeline, and pursue open-protocol architectures — Mastodon is instance-federated while Bluesky uses portable accounts via AT Protocol, which is the core architectural differentiator.
• Nostr (Damus, Primal, Amethyst): Nostr is a competing open protocol for decentralized social, with client apps like Damus (iOS) and Amethyst (Android) targeting the same anti-X, censorship-resistant user base. It is a direct protocol-level peer to Bluesky's AT Protocol, though Nostr uses cryptographic keypairs rather than portable accounts and has a smaller consumer footprint.

Broad incumbents

• Threads (Meta): Meta's text-based social network launched in 2023 explicitly to capture the X-refugee audience that also drove Bluesky's 2024-2026 growth. Comparable on consumer social and microblogging, but Threads is part of Meta's broader portfolio (Instagram, Facebook) and centrally controlled, whereas Bluesky's differentiation is the open AT Protocol and account portability.
• X (formerly Twitter): X is the incumbent microblogging platform Bluesky is most directly positioned against and was originally spun out of in 2021. Comparable in core functionality (posts, feeds, DMs, verified accounts, real-time news discussion), but X is a closed, ad-monetized platform while Bluesky competes on openness, portability, and moderation architecture.
• Reddit: Reddit is a large incumbent community-based social platform whose announcement of Reddit-style 'Communities' as a Bluesky feature in 2026 makes it directly comparable on the community/subcommunity axis. Broader in scope (forums, subreddits, monetization tools) and serves a different primary use case (interest communities vs. follow-graph microblogging), but increasingly overlapping.
• Discord: Discord is a major incumbent for real-time online community communication, directly comparable as Bluesky launches Group Chats (up to 50 people) and private communities. Discord is broader in scope (voice, servers, gaming) and primarily synchronous, but it competes with Bluesky for the same creator/community organizer audience.
• Tumblr: Tumblr is an established microblogging and short-form blogging platform that overlaps with Bluesky's posting format, creator culture, and creative-writing audience (especially relevant given Bluesky's Standard.site long-form integration with Leaflet/pckt/Offprint). Broader in scope and older, but competitively comparable on creator-led microblogging.
• Substack: Substack is an established publishing and subscription platform that overlaps with Bluesky's long-form direction (Standard.site integration with Leaflet, pckt, Offprint) and with creator-led communities. Broader incumbent focused on paid newsletters and blogs rather than real-time public conversation, but adjacent in the open social/creator-economy thesis.

Emerging players

• Pixelfed: Pixelfed is an emerging federated, ActivityPub-based photo-sharing social network that is a partial-overlap peer to Bluesky's media-heavy post format. Comparable in federated-protocol ethos, but Pixelfed is a niche, emerging player focused on images whereas Bluesky spans text, video, DMs, and feeds at scale.
• Diaspora: Diaspora is one of the original decentralized social networks (founded 2010), a pioneer of federated/pod-based architecture that is thematically comparable to Bluesky's AT Protocol. It is an emerging/niche player today with a much smaller user base, but historically relevant as a competing decentralized-social approach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/bluesky
• GitHubgithub.com/bluesky-social
• Facebookfacebook.com/blueskysocialweb
• LinkedInlinkedin.com/company/bluesky-pbllc

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds4 records

Investors18 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Bluesky