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description=Every ASIC miner exposes a JSON API on TCP port 4028 — the cgminer/BMMiner/BOSminer socket that fleet tools and pyasic use to read your miners and switch;

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ner on port 4028 d central skip to content bitcoin accepted at checkout ships from laval qc canada expert support since 2016 1325 rue bergar laval qc support d central tech 1 855 753 9997 mon fri 8 30 18 00 shop flagship the bitaxe from 184 99 our flagship open source solo miner the bitaxe gt gamma turbo single board solo miner bitaxe open source miners solo mining every hash counts bitcoin space heaters mine bitcoin while heating your home asic miners full size mining machines accessories parts accessories bitaxe miners accessories cables connectors merchandise collectibles merch featured the bitaxe 184 99 224 99 price range 184 99 through 224 99 cad shop the bitaxe which bitaxe is right for me buy a bitaxe in canada shop all products learn guides start here hardware buying guide bitaxe hub mining academy home mining guide solo vs pool guide space heater guide mining in canada sovereignty blog tools miner database mining calculators profitability calculator solo mining calculator power cost calculator btu calculator compare miners ai mining tools reference open data hub field manual mining glossary asic error codes antminer eos tracker repair cost estimator manuals firmware firmware comparison ai model database ai hardware database services services asic repairs diagnostics and board level repair in laval mining hosting quebec facility hydro quebec power mining consulting expert guidance since 2016 mining training in person remote classes built by d central open source dcent_os open source firmware for industrial miners closed beta dcent_axe our take on the open source bitaxe dcent toolbox field tools for miners firmware flasher bitaxe web flasher antminer images beta support contact support get expert help from real miners 3d models about about us blog contact btc accepted fr search bitaxe space heaters asic repair firmware shop all products the bitaxe from 184 99 my account français shop categories bitaxe open source miners bitcoin space heaters asic miners parts accessories bitaxe miners accessories cables connectors learn start here hardware buying guide bitaxe hub mining academy bitaxe gamma bitaxe supra home mining guide space heater guide noise reduction ventilation mining in canada mining in usa mining hackers blog miner database mining calculators profitability calculator solo mining calculator compare miners mining glossary open data hub field manual asic error codes antminer eos tracker solo mining solo vs pool guide mining automation off grid mining firmware comparison ai hub ai model database ai hardware database sovereignty services asic repairs mining hosting mining consulting mining training contact support 3d models built by d central open source dcent_os dcent_axe dcent toolbox firmware flasher beta about us contact cart 1 855 753 9997 support d central tech bitcoin accepted search bitaxe space heaters asic repair firmware miner api command reference cgminer bosminer on port 4028 home miner api command reference cgminer bosminer on port 4028 every asic miner exposes a json api on tcp port 4028 the cgminer bmminer bosminer socket that fleet tools and pyasic use to read your miners and switch pools this reference is the firmware family support matrix which commands work as read or control across stock antminer braiinsos family luxos family and dcent_os quick answer almost every asic miner exposes a local management api on tcp port 4028 the cgminer bmminer bosminer api socket you send a one line json object like command summary and get back json it is how fleet tools pyasic and monitoring dashboards read your miners and where permitted switch pools toggle boards and set tuning but the same command behaves differently across firmware stock antminer is largely read only on 4028 writes go through its http cgi braiinsos keeps 4028 read only and moves control to grpc and the luxos family implements full read control on 4028 behind a session token this reference is that matrix 50 commands 25 control class each mapped across stock braiinsos family luxos family and dcent_os with parameters and a one line description every row cited how to read it the access column is what the command does read vs control the four firmware columns are how each family exposes it read control on the 4028 socket grpc capability lives on braiinsos grpc port 50051 not 4028 http cgi stock does the write via cgi bin or not on that socket luxos family control commands take a session token as the first parameter logon to get one dcent_os columns are closed beta targets public beta summer 2026 aimed at cgminer compatible detection so existing tools just work built on the shoulders of cgminer bosminer and luxos not a claim to beat them free csv json under cc by 4 0 download csv download json rest api command access stock antminer braiinsos family luxos family dcent_os version returns miner api version cgminer version api version string e g 3 7 miner type compile time primary tool fingerprint call identity read read read read beta summary top level mining summary elapsed ghs 5s ghs av or mhs av 5s accepted rejected hardware errors utility found blocks best share device hardware rejected status read read read read beta stats detailed per board statistics per chain chip counts chain_acn per chain hashrate chain_rate chip status maps chain_acs temps temp temp2_ fan rpm fan1 4 total_rateideal uptime status read read read read beta pools lists configured pools with per pool metrics url status alive dead priority quota accepted rejected user stratum active last share time difficulty pool rejected stale pools read read read read beta devs per device hashboard asc report status temperature hashrate accepted rejected hardware errors per board devices read read read read beta devdetails static hardware details per board model chips cores frequency voltage profile serial used for model identification devices read read read read beta config basic configuration info asc count pool count active strategy log interval device code os config read read read read beta edevs none legacy old arg accepted same as devs but excludes blacklisted zombie devices cleaner board list for monitoring devices read read read read beta estats none legacy old arg accepted same as stats but excludes zombie devices variety of model specific miner stats status read read read read beta coin current coin algorithm info hash method current block diff network diff placeholder compatibility on many asic builds status read read read read beta lcd compact one shot general summary originally for lcd displays compatibility placeholder on most asic firmware status read read read tbd check command_name reports whether a given command exists and the caller s access level for it used for capability discovery meta read read read read beta asc board_id n detailed report for a single asc hashboard by index devices read read read read beta asccount returns the quantity of asc devices hashboards detected devices read read read read beta notify returns the device notification error history last share temps comms errors per device status read read read read beta privileged reports whether the calling connection has privileged write access under the api allow policy meta read read read read beta pga n legacy data for fpga device n placeholder empty on asic only miners devices read read read tbd debug setting get set the daemon debug verbosity flags e g quiet verbose debug rpc meta read read read tbd lockstats writes internal lock statistics to the log build dependent debug aid meta read read tbd switchpool n pool index switch the active pool to index n raise to top priority pools control http cgi grpc control tbd enablepool n enable activate pool n pools control http cgi grpc control tbd disablepool n disable deactivate pool n pools control http cgi grpc control tbd addpool url user password add a new pool to the first group on luxos the leading session_id is required pools control http cgi grpc control tbd removepool n remove pool n pools control http cgi grpc control tbd poolpriority n n n priority order set the priority order of all pools pools control http cgi grpc control tbd poolquota n q pool quota set the load balancing quota for pool n pools control http cgi grpc control tbd save file persist the current configuration to disk optionally to a named file config control http cgi grpc control tbd restart restart the mining daemon cgminer bmminer bosminer luxminer without rebooting the device system control http cgi grpc control tbd quit terminate the mining daemon process system control http cgi grpc control tbd ascenable n enable hashboard asc n devices control http cgi grpc control tbd ascdisable n disable hashboard asc n devices control http cgi grpc control tbd ascset n opt val vendor specific opcodes set a vendor specific asc option on avalon canaan this carries the model specific ascset opcodes e g frequency voltage led parameters are not portable across vendors devices control http cgi grpc control tbd pgaenable n legacy enable fpga device n placeholder on asic miners devices control http cgi tbd pgadisable n legacy disable fpga device n placeholder on asic miners devices control http cgi tbd pgaidentify n legacy blink the identify led on fpga device n devices control http cgi tbd setconfig name value set a global cgminer config value e g queue scantime expiry config control http cgi grpc control tbd zero which summary true false zero the named statistics counters optional summary printout stats control http cgi grpc control tbd hotplug n seconds set the hotplug device scan interval 0 disables system control http cgi control tbd failover only true false restrict work to the primary pool unless it is dead failover only mode pools control http cgi grpc control tbd logon open a control session returns sessionid single session mutex fails if a session already exists sessionid is the first parameter of every mutating command luxos family model braiinsos uses grpc bearer token instead session control grpc control tbd logoff session_id close the active control session session control grpc control tbd session report whether a control session is currently active session read read tbd kill force terminate any active session recover a stuck mutex session control control tbd fans fan statistics per fan rpm speed target cooling read read read read beta temps per chain board and chip temperatures cooling read read read read beta tempctrl temperature control thresholds target hot dangerous cooling read read tbd power get power consumption in watts measured or estimated power read grpc read beta profiles list available tuning profiles frequency voltage operating points note profile values are runtime operating points not factory presets tuning read grpc read beta profileset session_id profile_name frequency_step voltage_step update_atm set the active tuning profile for the miner board braiinsos equivalent is a grpc tuner call stock has no socket equivalent tuning control grpc control tbd curtail session_id sleep wakeup voltage_step frequency_step mode demand response sleep wake control curtailment luxos exposes sleep wakeup an operator can pause hashing for grid events braiinsos pause resume is grpc power control grpc control tbd legend read read only on 4028 control write control on 4028 grpc http cgi control via a different surface braiinsos grpc 50051 stock cgi bin beta dcent_os closed beta target tbd not on that socket luxos family control commands need a session token logon source d central mining bible pyasic_compatibility braiinsos luxos reverse engineering per command citations in the csv json see also the firmware feature matrix the stratum v2 pool protocol distinct from this local socket and the web flasher more free d central mining data open data hub protocol specs québec mining developer api free keyless embeddable widgets hashboard testers hashboard repair guides global bitcoin mining legality by country bitcoin mining manufacturers directory bitcoin mining pool database canadian net metering net billing programs nostr clients comparison nostr event kinds reference nostr nips reference nostr relay implementations off grid power components for mining open source mining hardware firmware registry bitcoin pool centralization tracker mining pool coinbase tag registry mining pool payout schemes asic power connector pinout reference sources and review sources manufacturer documentation available network or market data and d central diagnostic or repair experience where applicable reviewed by d central technical team last reviewed june 21 2026 related products repair and setup paths how d central diagnoses asic repairs asic troubleshooting library asic manuals and repair guides replacement hashboards asic control boards asic power supplies s19 family replacement hashboard c52 replacement control board apw12 s19 power supply immersion cooling hub home immersion cooling guide asic miners for immersion 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