mempool space
mempool.space is an open-source Bitcoin mempool explorer and blockchain visualization platform serving Bitcoin businesses, exchanges, wallets, miners, and developers with real-time fee estimation, Lightning and mining analytics, and enterprise APIs processing 150M calls daily.
- Company typePrivate
- Founded2019
- HeadquartersOsaka, Japan
- Headcount—
- GTM typeB2B
- OfferingSoftware
What mempool space does
mempool.space is an open-source Bitcoin mempool explorer and blockchain visualization platform operated by Mempool Holdings S.A. de C.V. and headquartered in Osaka, Japan. The core product provides real-time visualization of pending Bitcoin transactions, blocks, fee estimation across multiple priority levels (No, Low, Medium, High Priority), Lightning Network node and channel statistics, mining pool distribution and hashrate metrics, and transaction acceleration services. It supports Mainnet, Testnet3, Testnet4, and Signet networks and runs on self-hosted bare-metal infrastructure deployed across six globally distributed data centers with its own ISP and minimal software dependencies. The platform's public-facing explorer at mempool.space serves millions of users and processes 150 million API calls daily, with proprietary features including Mempool Goggles® (transaction categorization by type such as Consolidation, Coinjoin, and Data) and Mempool Accelerator (stuck transaction prioritization via direct mining pool submission).
The business operates a two-tier go-to-market model. The free public tier supports individual Bitcoin users, developers, and self-hosters who deploy the open-source software via Umbrel, RaspiBlitz, myNode, RoninDojo, StartOS, and other node platforms. The paid Mempool Enterprise® tier targets Bitcoin businesses with tiered monthly subscriptions (Silver $1,499, Gold $2,999, Platinum $5,999) providing unmetered REST API access, Electrum RPC, WebSockets, Accelerator Pro, and SLAs ranging from 99.9% to 99.99%. Named enterprise customers include Unchained, Bitkey (Block), Zaprite, BitMEX, and Foundry, and the project is sustained by a sponsorship ecosystem spanning core, major, and minor enterprise and community tiers with 60+ Bitcoin companies including Spiral, Blockstream, Metaplanet, Bull Bitcoin, Fortris, Exodus, Gemini, Onramp Bitcoin, Cake Wallet, Leather, and Taproot Wizards. Revenue is not publicly disclosed; the company received an undisclosed funding round from Ten31 in September 2022.
mempool space firmographics
Firmographics- Name
- mempool space
- Legal name
- Mempool Holdings S.A. de C.V.
- Website
- https://mempool.space
- Company type
- Private
- Founded year
- 2019
- Operating status
- Operating
- Short description
- mempool.space is an open-source Bitcoin mempool explorer and blockchain visualization platform serving Bitcoin businesses, exchanges, wallets, miners, and developers with real-time fee estimation, Lightning and mining analytics, and enterprise APIs processing 150M calls daily.
- Ownership category
- akta.pro rank
mempool space industry classification
Industry- Product category
- Bitcoin Blockchain Data Infrastructure
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- MEV & Transaction Supply Chain Tooling (bundlers, private mempools, builders) (FSAPABAL)
Keywords
Where mempool space is headquartered
LocationHeadquarters
- HQ city
- Osaka
- HQ country
- Japan
- HQ region
- Asia
Markets served
mempool space business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Infrastructure, Personnel, Operations, Marketing or Sales
Revenue model
- Mempool Enterprise Subscription: Tiered subscription service (Silver $1,499/month, Gold $2,999/month, Platinum $5,999/month) providing unmetered REST API access, co-branded subdomains, Accelerator Pro API, WebSocket limits, Electrum RPC access, 99.99% SLA, priority support, and dedicated server options for enterprise Bitcoin businesses.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Silver tier for small-to-medium Bitcoin businesses requiring increased API limits and basic enterprise features |
| Subscription | Monthly | Gold tier for growing enterprises requiring enhanced reliability and support |
| Subscription | Monthly | Platinum tier for large-scale operations requiring maximum reliability and dedicated infrastructure |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels6 records
mempool space product offering
Product offeringCore offering
Mempool.space operates an open-source Bitcoin blockchain explorer and mempool visualization platform that displays real-time network data including blocks, transactions, fees, mining pool statistics, and Lightning Network activity. The company sells a paid Mempool Enterprise tier providing production-grade REST API, Electrum RPC, WebSocket streaming, and the Mempool Accelerator transaction-prioritization service for Bitcoin businesses requiring reliable, low-latency blockchain data infrastructure.
Product overview
Mempool.space is an open-source Bitcoin blockchain explorer and mempool visualization platform consisting of a core explorer product plus multiple specialized modules. The core product provides real-time Bitcoin network data including blocks, transactions, fee estimation, and RBF tracking. Mempool Enterprise is a paid tier offering production-grade APIs (REST, Electrum RPC, Websockets), transaction acceleration services, and mining data analytics at three pricing levels. Lightning Explorer provides Lightning Network visualization and rankings. Mining Dashboard offers mining pool analytics and network hashrate distribution. All components support multiple Bitcoin networks including mainnet, testnet3, testnet4, and signet.
Differentiator
Problem solved
Functional benefit
Products and services
- Mempool (Bitcoin Explorer) Open-source Bitcoin block explorer and mempool visualization tool displaying real-time Bitcoin network data including blocks, transactions, fees, and mining pool statistics across mainnet, testnet3, testnet4, and signet networks. Used by individual Bitcoin users, developers, and enthusiasts to verify transactions and understand network state.
- Mempool Enterprise Production-grade Bitcoin data infrastructure for businesses, providing unmetered REST API access, Electrum RPC, Websockets, Accelerator Pro, and Mining Data analytics. Available in Silver ($1,499/month), Gold ($2,999/month), and Platinum ($5,999/month) tiers with 99.9% to 99.99% SLAs. Targets Bitcoin exchanges, payment processors, fintech companies, and wallet providers.
- Mempool Accelerator Transaction acceleration service that helps prioritize stuck Bitcoin transactions by placing them at the front of the mining queue through partner mining pools. Enterprise tier offers Accelerator Pro with API integration and automatic acceleration capabilities. Used by exchanges and traders during periods of network congestion.
- Lightning Explorer Lightning Network explorer displaying network statistics including node counts, channel counts, total BTC capacity, and node liquidity and connectivity rankings. Provides visualization of the Lightning Network topology and routing data for developers and Bitcoin users.
- Mining Dashboard Bitcoin mining analytics dashboard showing hashrate distribution across 18 mining pools (Foundry USA, AntPool, F2Pool, ViaBTC, Luxor, MARA Pool, SECPOOL, SpiderPool, Braiins Pool), difficulty adjustments, pool statistics, block rewards, and network health metrics. Used by miners and analysts to track network conditions.
Quantifiable outcome
- 99.9% uptime SLA (Silver) to 99.99% SLA (Gold/Platinum tiers)
- +2 more outcomes
Companies that use mempool space
Customer profileNamed customers5 records
Segments3 records
Ideal customer profiles2 records
mempool space technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration21 records
Feature8 records
mempool space partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and major.
- UmbrelcoreCommunity integration partner. Umbrel's Bitcoin node OS includes Mempool as a one-click app install, enabling thousands of users to self-host their own Bitcoin explorer.
- RaspiBlitzcoreCommunity integration partner. RaspiBlitz includes Mempool as an optional service for Raspberry Pi Bitcoin node operators.
- myNodecoreCommunity integration partner. myNode Bitcoin device platform supports Mempool installation for self-hosted blockchain exploration.
- RoninDojomajorCommunity integration partner. RoninDojo Bitcoin node software includes Mempool as a featured application.
- Liquid NetworkmajorCommunity alliance. Mempool provides Liquid Testnet and Liquid Explorers, integrated with Blockstream's Liquid sidechain network.
- BTCPay ServermajorCommunity integration. BTCPay Server, the open-source cryptocurrency payment processor, is listed among Mempool's community integrations.
Scale indicators6 records
Recent moves4 records
Expansion highlights6 records
mempool space competitors and assessment
Company assessmentBroad incumbents
- Glassnode: Established Bitcoin and multi-chain on-chain analytics platform serving institutional clients with dashboards, APIs, and research. Competes with Mempool's enterprise tier for institutional Bitcoin data spend at a much larger scale and broader analytical scope.
- CryptoQuant: Institutional on-chain analytics platform offering exchange flow, miner, and network data with API access. Targets the same enterprise Bitcoin/crypto customer base that buys Mempool Enterprise, though with a broader multi-chain and trading-oriented feature set.
Direct peers
- 1ML: Lightning Network explorer and node directory providing node rankings, channel statistics, and liquidity information. Directly comparable to mempool.space's Lightning Explorer module for both retail and enterprise Lightning analytics use cases.
- Blockchair: Multi-chain block explorer offering Bitcoin and other chain analytics with API access and SQL-style query tooling. Competes with mempool.space for blockchain data API customers across similar Bitcoin-first developer and analyst audiences.
- Blockchain.com: One of the longest-running Bitcoin block explorers and a major centralized wallet/exchange. Operates a comparable block explorer with transaction tracking and fee data, directly competing with mempool.space for end-user exploration traffic and developer mindshare.
- Amboss: Lightning Network explorer and node management platform offering node analytics, Magma marketplace, and enterprise tooling. Competes directly with Mempool's Lightning Explorer for both consumer and institutional Lightning data customers.
- btc.com: Bitcoin block explorer and mining pool statistics platform owned by Bit Mining. Provides transaction tracking and pool/hashrate analytics comparable to Mempool's Mining Dashboard, with similar target users in mining and trading.
- Blockstream Esplora: Blockstream's open-source self-hosted Bitcoin block explorer (the codebase mempool.space was originally forked from). Operates blockstream.info and ships Esplora as the default explorer on Liquid Network and many self-hosted Bitcoin nodes — a direct functional and architectural peer.
Others
- Alchemy: Dominant multi-chain blockchain developer infrastructure platform (node API, indexing, webhooks) serving Web3 builders. While primarily Ethereum-centric, Alchemy is the closest analog to where Mempool Enterprise is heading in the Bitcoin ecosystem — production-grade blockchain APIs for application developers.
Emerging players
- BTCPay Server: Open-source Bitcoin payment processor widely integrated with mempool.space. While not a direct explorer competitor, BTCPay overlaps with Mempool at the infrastructure layer for self-hosted Bitcoin businesses and shares the same open-source, self-sovereign philosophy.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
mempool space social profiles
Digital presencemempool space financial estimates
Financial estimateRevenue estimate
Valuation estimate
mempool space leadership team
Management profileNumber of profiles
mempool space funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
mempool space M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about mempool space
What does mempool space do?
Mempool.space operates an open-source Bitcoin blockchain explorer and mempool visualization platform that displays real-time network data including blocks, transactions, fees, mining pool statistics, and Lightning Network activity. The company sells a paid Mempool Enterprise tier providing production-grade REST API, Electrum RPC, WebSocket streaming, and the Mempool Accelerator transaction-prioritization service for Bitcoin businesses requiring reliable, low-latency blockchain data infrastructure.
Is mempool space a public or private company?
mempool space is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was mempool space founded?
mempool space was founded in 2019.
Where is mempool space based?
mempool space is headquartered in Osaka, Japan, in the Asia region.
How does mempool space make money?
One revenue line is on record: mempool Enterprise Subscription.
Who are mempool space's main competitors?
Broad incumbents on record are Glassnode and CryptoQuant. Direct peers are 1ML, Blockchair, Blockchain.com, Amboss, btc.com and Blockstream Esplora. Alchemy is listed as an others. BTCPay Server is listed as an emerging player.
Does mempool space have an API?
Yes. Mempool offers REST API, Electrum RPC, and Websockets for developers. Infrastructure handles 150M API calls daily. Enterprise tier provides unmmetered REST API access with increased rate limits via API keys or IP whitelisting, batch processing for Electrum RPC, and WebSocket monitoring for thousands of addresses with instant transaction notifications. Documentation available at /docs/api. Developer documentation is at mempool.space/docs/api.
What industry is mempool space in?
mempool space's product category is Bitcoin Blockchain Data Infrastructure. Its primary akta.pro industry code is FSAPABAL, MEV & Transaction Supply Chain Tooling (bundlers, private mempools, builders). Its NAICS code is 518 and its SIC code is 7370.