MtGox/API/HTTP/v1

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ĎNote: All API methods require a valid User-Agent header.

HTTP API version 1 methods

public information

Multi Currency Ticker

https://mtgox.com/api/1/BTCUSD/ticker
https://mtgox.com/api/1/BTCEUR/ticker
returns the current ticker for the selected currency :
{
"result":"success",
"return":
 {
 "high": {"value":"5.70653","value_int":"570653","display":"$5.70653","currency":"USD"},
 "low": {"value":"5.4145","value_int":"541450","display":"$5.41450","currency":"USD"},
 "avg": {"value":"5.561119626","value_int":"556112","display":"$5.56112","currency":"USD"},
 "vwap": {"value":"5.610480461","value_int":"561048","display":"$5.61048","currency":"USD"},
 "vol":
 {
  "value":"55829.58960346",
  "value_int":"5582958960346",
  "display":"55,829.58960346\u00a0BTC",
  "currency":"BTC"
 },
 "last_all":{"value":"5.5594","value_int":"555940","display":"$5.55940","currency":"USD"},
 "last_local":{"value":"5.5594","value_int":"555940","display":"$5.55940","currency":"USD"},
 "last_orig":{"value":"5.5594","value_int":"555940","display":"$5.55940","currency":"USD"},
 "last":{"value":"5.5594","value_int":"555940","display":"$5.55940","currency":"USD"},
 "buy":{"value":"5.53587","value_int":"553587","display":"$5.53587","currency":"USD"},
 "sell":{"value":"5.56031","value_int":"556031","display":"$5.56031","currency":"USD"}
 }

note about prices:

  • last_local include only the last trade in the selected currency
  • last_all is the last trade in ANY currency, converted to your currency
  • last_orig include data of the original last trade ( currency,price in currency . . . ),
  • last is always the same as last_all

Multi Currency depth

https://mtgox.com/api/1/BTCPLN/depth?raw

https://mtgox.com/api/1/BTCAUD/depth?raw

Multi currency trades

https://mtgox.com/api/1/BTCUSD/trades?raw

https://mtgox.com/api/1/BTCPLN/trades?raw

https://mtgox.com/api/1/BTCAUD/trades?raw

to get only the trades since a given trade id, you can add the parameter since=<trade_id>

https://mtgox.com/api/1/BTCUSD/trades?since=0

https://mtgox.com/api/1/BTCEUR/trades?since=1316312781670700

For multi currency,also returns the primary value,"Y" or "N", the primary currency is always the buyers currency

A trade can appear in more than one currency, to ignore duplicates, use only the trades having primary =Y

Each trade is described by a JSON structure like the following:

{
  "date":1316312781,
  "price":"3.5599",
  "amount":"3.6900096",
  "price_int":"355990",
  "amount_int":"369000960",
  "tid":"1316312781670700",
  "price_currency":"EUR",
  "item":"BTC",
  "trade_type":"bid",
  "primary":"Y",
  "properties":"limit,mixed_currency"
}

The meaning of each field is as follows:

Name Value
amount the traded amount in item (BTC), float, deprecated
amount_int the traded amount * 1E8
date unix timestamp of trade
item What was this trade about
price price per unit, float, deprecated
price_int price in smallest unit as integer (5 decimals of USD, 3 in case of JPY)
price_currency currency in which trade was completed
tid Trade id (big integer, which is in fact trade timestamp in microseconds)
trade_type Did this trade result from the execution of a bid or a ask?


Cancelled Trades

https://mtgox.com/api/1/BTCUSD/cancelledtrades

returns a list of all the cancelled trades this last month, list of trade ids in json format .

Full Depth

https://mtgox.com/api/1/BTCUSD/fulldepth

returns full depth

transaction information

https://mtgox.com/api/1/generic/bitcoin/tx_details?hash=4462c88079cc51972f1bdcb8a4240ee8757b0bb69df828ade051c95ced540fa0

will return :

{
"result":"success",
"return":
{
 "hash":"4462c88079cc51972f1bdcb8a4240ee8757b0bb69df828ade051c95ced540fa0",
 "blocks":["000000000000076fa606a7b67c131afc87d24d34114be2863cf24ca3d48139e7"],
 "version":"1",
 "size":"1158",
 "in":
 [{
  "n":"0",
  "prev_out_hash":"4578576f49418e69da6d7a1166168bb80a94682f21cca518b6c2451bc64bf858",
  "prev_out_n":"1",
  "coinbase":null,
  "scriptsig":"304402201d7eaf891bcda16ea2979694c02e590fea8fc43dc092ee60e5fb2dd756bcb19502205c5be31b772029700d0a43d499932e9c321af1cfbc8745fba6dbbe48fa79bbb501 043a264aac55e23f83b29ac7e7a914584d2aa6c2eb08ea05405f5efc38473183ca4fc075f8144bb78698df1a5be6f4057f1bccc9e1217a5658946bcc4d4f6972c3",
  "addr":"46f740cb9c737111ec91ec235f6877055be7175e"
 },
 {
  "n":"1",
  "prev_out_hash":"4feea511029896ff4c31132346a79594fcd0c4e60aab2fa4f527e1395d375488",
  "prev_out_n":"0",
  "coinbase":null,
  "scriptsig":"3046022100f3bc0445f629e4e896ced23013d89ba6e6488a6ec21c47df608aaf6d6d212fbb022100d321c4c7f5f33900b8c0efba8ff58a3541e621588f402e167f51968b6ee0bbf201 042157f97a8a78caf6315dbd6d9267b9edd9c1c37cdb211f2bc03703a28eeebaf274efdcff4ef3e3ef4a6b7ccb5d8c17acba941d1a5669c3299f22a0e78e702fdb","addr":"7b0a72820f6e92ccc384dbdecb5584d855ce9416"},
   
 {
"n":"2","prev_out_hash":"9adadb88c3075afdce1216b35d27fd5cac9736ce3977778999f9a85105d2ea8f","prev_out_n":"0","coinbase":null,"scriptsig":"3046022100d63237cca9bf2200c6aa255834e06f9dc5e4e20f1ea7e6678119bb0e4a5a109f022100db37ec795336509fb3a16d1acebfe08523d95e177284149614a6d3384286b27c01 04b16b41dab16cfbf59f1713559795440b98b384dc01656ebaceeec8f6d1463802cb474062b2b8c1de53ab1fe65be0f6213dd61519044e9c1f50291b915fc7fc6e","addr":"2ed7c49f080e9898737276ad802e2067a1d06ab7"},
  {
"n":"3","prev_out_hash":"0e2ed4e4db87ddc9cb54ab3cdcae59762293815d3093c238e42d33248b39e19d","prev_out_n":"1","coinbase":null,"scriptsig":"3045022100ab501414e7643cc1a78645f544cbcf6411e71e0c21953cd51f7f9933a50538a002201b4c9bac60aa19d659d0686d45bf06c4928c4446269692d88722f57624cdaf1401 048e1e4862c6fee7293f6c7be43a72a375e68395398e4d5da3db06199a35fc46cf51b87f3c6b87caeb81181d630706e23b5679ae8b96ca36701282ae5b49dd99c9","addr":"c74d2e95aeb037297c7b6a232d78c715fa1ab826"},
  {
"n":"4","prev_out_hash":"93c912462daa2a52e108e3424596d56fe2a136d6707a65b6423dee229e317ea1","prev_out_n":"1","coinbase":null,"scriptsig":"3045022100fe782441b8788ed9297c8fea735701ae0a77081fc748ceee8cde945107f64967022014d51d5bc8d8138b97a657eda6d03ba998810e3e941988da90b82f6d24d8471e01 045f53cf2dbdb3213084efa69ac1dfcd8d97be8073a8b8104feb000513aa048b653f400d23314fc090456078f46a0fc9daabdee57f1ef14c2111b9ddc35255189a","addr":"958bba83ac42ebf055c1724b25bfe5c698abbb51"},
  {
   "n":"5","prev_out_hash":"44a1b493ef6176cced4c02fb97a227b98e5bea0616d9cdd6005bcd6905d667f3","prev_out_n":"1","coinbase":null,"scriptsig":"30440220132484ad901567d2c52c0b4f3be5263d1d8ed6e76be1398d2bb7c2a1aec5f748022033b907afa05eb075dee9993b8a05c9e40c69e53d65a06cc8a975ff4c4407141e01 04bd5d7feb1884efdccbe8feb8fa9ff57d56272ac5f667bc59cb07a232fbbd9cbabdf54b6bb6ca4c77e0de22cb0f896fa6183e53381861641049f0edee2d64cfe5","addr":"3784c102bbfd34cc7fb6e12c51b5c6177592f267"}],
 "out":[{"n":"0",
 "value":
  {"value":"0.01000712","value_int":"1000712","display":"0.01000712\u00a0BTC","display_short":"0.01\u00a0BTC","currency":"BTC"},"script":"OP_DUP OP_HASH160 6427f36ed6e5a0cb526a0b0bef1335992326e9a9 OP_EQUALVERIFY OP_CHECKSIG","addr":"6427f36ed6e5a0cb526a0b0bef1335992326e9a9","claimed":"N"},{"n":"1","value":{"value":"3.31674208","value_int":"331674208","display":"3.31674208\u00a0BTC","display_short":"3.32\u00a0BTC","currency":"BTC"},"script":"OP_DUP OP_HASH160 1f27d1fc284143729944ab89823111d2bb63dc46 OP_EQUALVERIFY OP_CHECKSIG","addr":"1f27d1fc284143729944ab89823111d2bb63dc46","claimed":"N"}]
}

}


block information

block information can be accessed bu depth ( the block number ) :

https://mtgox.com/api/1/generic/bitcoin/block_list_tx?depth=188111

or by hash :

https://mtgox.com/api/1/generic/bitcoin/block_list_tx?hash=000000000000076fa606a7b67c131afc87d24d34114be2863cf24ca3d48139e7

both will return ( for block 188111 )

{ "result":"success", "return":

{
 "info":  
 {
  "hash":"000000000000076fa606a7b67c131afc87d24d34114be2863cf24ca3d48139e7",
  "parent":"00000000000005adbcc9846f9f3542f9349b19a3c8a8f8149a830e8d748b0c92",
  "depth":"188111",
  "mrkl_root":"772b7dcc99c98a9d77e40e2ea300ba492254dea5439599f666c77bd5be1f3b4b",
  "stamp":"2012-07-08 12:03:12",
  "size":"76898",
  "status":"confirmed"
 },
 "txs":["020d258be19e6b399301acca1857ceb13adf643edbc660942d7eacc3290bdf55","0575fb1c09f86de21bdb00bb1423053e5ee667158ad50aa0043e82bdb3d21a1e","07830422f821fcd63e316411c883486161f15154ba27b4fffbd934fe02423020","07a6cdf84e5b5aec5f3ec968a36a469e2923237254c31adf8cc895f4d47dbd0c","0af35c993e0094010a73d48bded49ea1c7f5d26a1d80fb1ddd2fada39f725656","0b5a4340a8daa28832c4ea7baa463b896fe954bca50bcfaa2671947725c103bb","0c5adc9fb24a3daa80fe0e2ed6c6b35ee0cb70e3aa6da42276e04fd2132ee4a3","0d28cea45a0a90ac105777d1d53318d23be489416aded7bcc1c92ed2f7426358","0f05493623804d9ad4501521c893fb186cbb03e41962bbd42a10bf6c89f60026","0f627402384a9c88ec878b6d7e3866f88d8c91295c7a3f595a50f32af3a962e9","100f488d2822b1e50ef6b7a885fc576a610b2aa5d36c660c6b000555f5edb182","12d1cdcd17cfbccfd5184543c9edc5a18c3add089c76afa33c0da72001fcd2ea","144516c54e56e3c9a049995fd402dd4749eb7bf4276c247c598f67ea126c1ef0","158be63da6a97dcb7ac2286ae148ba0bbee62d4eb3be9423e0de84337c67cef1","175a4c4708a6237bdde8cc355487c1b85f61915d1336fb9ec1216946ed949efe","180a9901550e68c552fab07b23788bf424636ef899a73313c9dde8e00757acd9","186d0632a342d20e97a612e2ef6c60b74af278678e2221a5c043bb8bac683f73","19cf092b8657d0da33ef97c628469bfa0e87f564327629311881e8ef4cbe203c","21a79eeaab53234b1017689fcf13894154d3a9083d10feeec9096b2bd5135649","222e59465dae7866897b9a750cddb3924e775637944d3ec6dd1cd0f81bd9f36b","23e28db3cb8dc658d010eb7b3ed9f4ac0ae3be4049bad0d557c2a7446954d185","2426cb2d1fd6958c1830f98aa54bd9ee86fd3325cb13b1e9aeeb2901f481b38f","2528e80141db0f5a09f6d8ded3ba06427476256a70442a7df51fe3c2686bef64","256e754aa2829469cf575b121eb4abb7f6a1f0aeee6f221bfd14a5e0b0ca9baf","25fd783b5cdcb1e1769092a007103556bc3d5d419b5d5ba9ef6e7400a5e0caa7","268fa8738fe708161071624d3143475a7a26f7ccf8dd031c91861a3dd59d3eee","2801207fb1b50f1d60324b7a790da36c244875de7b0329fe1be53439e74d9553","2826f91a4664031f5ed7239bddc11fe746b63e1c5d70bbe043ffb62e966a2c01","28d4fcec098886db460d300d9a62be49c31ddbd1cdaa203a5fbdf8021eba22b6","2ada3f324802d7ad3dfa7d5ff24e888c3919cb8e7ba1050f59cc814ccc6c7f41","2cdce29d3ef98062d36e63d150e203737f1374f43e8a1b36eea08286450e5e24","2ce5579a4c205761779668232c685eb0c0974f0328daa073bafec2119afba906","2d1928299d04653351d2358885e51a981f227d9ac8eaae34437b63eff8f4b28c","2e5686a497efdda63de8c5aa23fd349f3004a31ccebc6b3954de06669b3dfe9c","2ecc8f682cb7e65802072bf311cdb9f87e25cf34ab3f0f475c16169040b3c654","335ab9791c80ab80ccbf55e6829ad3c67a6b48426769b9bd7b3d866233ad912b","34bf38fb8bb1e74d1570e4e357bf2c9af3956917bf3f49ee3a5a9bd9e89e174c","351835329ddecfd75c74fd82b207a6f1481394321b3c3613e71dad74654a59ee","38f67149f684713e8271b2f709c125c365cc0ae97c740d0e4a07822f71f3b640","39ddb42041f0ba3c7d87c2d5e74a633a1907f188b57569b2641c77fed674fe0a","3bdb7e7e5d8b7b4dc37fb961272819eeee0da9854657318503be4397567497c4","42d2e9a1a1650d58c21ebcb14eef6da5b248b43c96e1bca816baee4c73978650","42dba17d47c259559dc9a5a110457196ccae97447f2b9e6056fd96e471e09715","43a262b3cc7b2899b166ddf06d37fd4600b2348342514d8646a76c454b4772d0","4462c88079cc51972f1bdcb8a4240ee8757b0bb69df828ade051c95ced540fa0","44adb50a8c3096a079c5fef9dfaae479b2f2804e09106097d480a8c1b0672da1","44b4dce02cbd628e8f88bf7ca36f650db866b16c5a79b3cb6f6b24bcffb1c089","489ef413e51bcbd23a4134c366f2537d99ea81913af43627dcab4ccfd611d1df","49d2a512f63481a42ad30a1b3845fc2929296945519c0998dad4fa361064765a","4d5372c14355d789decb0e100fb05e86f6b854d0187815b60a1b37de41ca245a","4db9e6cc810918143fba3dfe8cc3030847b8297775dee7540ca03fbb0c8788c0","531bfa06d7164dc5cb971e3fe90aefd61c188a5d292350a2cfc12cd8bac760f6","553341c3683a9ccabe10fbb65334a694bab2469fa444570e51d81b7d416414f8","5592b28d4a6f652fce290e1502a6204ad501ec5759438c59209f29bd9e80f972","573b1dee0b00b1936d8e8b4f1f45e47c246d7be09b0573281bdbb0b71035841e","5767fe6251014d97a2f14e1226ae08b11065f78b7f52a390bda3eb87cf63e9d5","588c8e0d458ee5516468d4f0f68711757bd4e291e6456be8e3fde1fa9c6e72c9","59f3d51b41f346c08fb73be2a540ebc2aeffb2220da5c2e5d927b74a5249c907","59fb156e2e6b901524a7b7fe906db455f014deb361096db937db5be952490b36","5c2c78de645d59a57500e0a3ba19d91ff8dc902a6d75c16512d013449a74957c","5da0e429c410ce6220f7206e6ee41f0fc8216000908b3d8eeb651345fb5e7435","5eebfbda3754fc240d1b87806cf57c0f6805eee3cbf8b0c29f8da96017ddbc1f","5f6d93830779e69b1a9e44ceb81fe42ddbc1b453014548b44b348d5e979f98cc","601f57984bead5aa7767885e2d01e9d24582c1c7a2f7e907b70b76bf773726d3","60ae2132f0864e3700db8b6a30ee7e4d7e7479798c5ce14df23a7935016b2eac","67177915a8a163c49f0cfe7f12a065e24046d8b32ee4b6b5071954c12f9f8173","67398f5c224a83debf5455b5caa6976249d35344a3b4f39700cda11569494203","68d1bfff53204d0eeadb35540ddcb43ad2c7aaa9ff647052ab4f2d66f3094e8d","6962015317f58edbed7b8725f344a25fb7d8dfca743715558d916cf1a8b32b24","6ab7e2e0c7749ea166968629f584c2be8687667fdf6861d53368c944e10eda3a","6b11cbd800814e5d86afcd3daf56fed4e8f987007ff4ab835a05e6de470f35ff","6ba15ceea3a22c3a8b3539c1124a4d641409a680db07af35e35d73da877e8da4","6c41c14638745ca2b820153386fd95948d8bf048750328cd397d05241ebec08c","6f3e68f9b4d007249b4585b0760e2b892a7f6b8fd2ef568e93856da20d96ebe4","702a98c7b9a4cccce628ea40ec94f9663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}

}

address information

https://mtgox.com/api/1/generic/bitcoin/addr_details?hash=1f27d1fc284143729944ab89823111d2bb63dc46

Order lag

https://mtgox.com/api/1/generic/order/lag

The "lag" value is the age in microseconds of the oldest order pending execution If it's too large it means the engine is busy, and the depth is probably not reliable

Currency information

https://mtgox.com/api/1/generic/currency

pass parameter ?currency=<currency_symbol>

returns information about a currency ( number of decimals . . . )

Private API

Private info

https://mtgox.com/api/1/generic/private/info

returns information about your account, funds, fees, API privileges, withdraw limits . . .

get a bitcoin deposit address

https://mtgox.com/api/1/generic/bitcoin/address

get a bitcoin address linked to your account. the returned address can be used to deposit bitcoins in your mtgox account

result: 
{
 "return": 
 {"addr": "18dGNs5Bd6pPMuSchLHQtb1k996YpUHs3j"},
  "result": "success"
 }
}

redeem a private key

https://mtgox.com/api/1/generic/private/bitcoin/addpriv

allows you to add a private key to your account
  • parameters :

"key":code "keytype":"auto" "description":description

  • returns the btc adress and the total number of btcs in this private key

redeem a wallet.dat

https://mtgox.com/api/1/generic/bitcoin/wallet_add

allows you to add a wallet.dat file to your account
  • parameters :

"wallet": the file content of a wallet.dat file ( base64 encoded ) "description": optional parameter to add a descrition linked to this wallet in the account history

  • returns : "amount" total number of btcs in this wallet + count ( number of bitcoin addresses in this wallet )

idKey

https://mtgox.com/api/1/generic/private/idkey

Returns the idKey used to subscribe to a user's private updates channel in the websocket API. The key is valid for 24 hours.


Your trade history

https://mtgox.com/api/1/generic/private/trades

Returns all of your trades. Does not include fees.


Your wallet history

https://mtgox.com/api/1/generic/private/wallet/history

parameters : currency, type, date_start, date_end, trade_id, page

only the currency parameter is mandatory

returns a json array with your wallet history

Submit an order

https://mtgox.com/api/1/BTCUSD/private/order/add

parameters:

  • type (bid|ask) (easier to remember: bid == buy, ask == sell)
  • amount_int <amount as int>
  • price_int <price as int> (can be omitted to place market order)

submits an order and returns info about success or error


Your open orders

https://mtgox.com/api/1/generic/private/orders

Returns information about your current open orders. Valid order statuses are: pending, executing, post-pending, open, stop, and invalid.

    {
      "return":
        [
          {
            "status": "invalid",
            "item": "BTC",
            "price":
          {
            "value_int": "10000",
            "currency": "USD",
            "display_short": "$0.10",
            "display": "$0.10000",
            "value": "0.10000"
          },
          "oid": "96e2ca6c-bbca-422b-8bd6-315f7dddf716",
          "actions": [],
          "priority": "1343527861724073",
          "currency": "USD",
          "amount":
          {
            "value_int": "10000000",
            "currency": "BTC",
            "display_short": "0.10\u00a0BTC",
            "display": "0.10000000\u00a0BTC",
            "value": "0.10000000"
          },
          "date": 1343527861,
          "type": "bid"
          }
       ]
    }

Order result

https://mtgox.com/api/1/generic/private/order/result

parameters : type ( bid or ask ) and order (the order id)

returns a json array like this :

order_id: '1234234-e9ef-4b75-aa1c-90cd109d24ea',
  trades:
   [ { trade_id: '1336611143363429',
       primary: 'N',
       currency: 'USD',
       type: 'ask',
       properties: 'market,mixed_currency',
       item: 'BTC',
       amount: [Object],
       price: [Object],
       date: '2012-05-10 00:52:23' } ],
  total_amount:
   { value: '0.01000000',
     value_int: '1000000',
     display: '0.01000000 BTC',
     display_short: '0.01 BTC',
     currency: 'BTC' } }

Application API

HOTP key

https://mtgox.com/api/1/generic/hotp_gen

used to generate a new HOTP key ( useful for developers )

App activation

https://mtgox.com/api/1/generic/api/activate

parameters:

  • key - Activation key
  • name - Device name
  • app - App ID

used in mobile apps to obtain an API key/secret pair. Contact MagicalTux on freenode to obtain an app ID. Activation key comes from the user's account, Settings > Access > Application Access.

Merchant System

Order Creation

https://mtgox.com/api/1/generic/private/merchant/order/create

Required Parameters:
  • currency: <currency>
  • amount: <amount as float>

or

  • amount_int: <amount as int>
  • return_success: <string> Where to redirect the user on payment success
  • return_failure: <string> Where to redirect the user on cancellation
Optional Parameters:
  • description: <string> A small description that will appear on the payment page (defaults to "Payment to <user_login>")
  • ipn: <string> URL that will be called by our services once the payment is complete (more below)
  • data: <string> Custom data returned by the IPN
  • email: int Set to 1 to receive an email for each successful payment
  • autosell: int Set to 1 to automatically sell received bitcoins at market price
  • multipay: int Set to 1 to allow multiple payments on the same transaction ID
  • instant_only: int Set to 1 to only allow MtGox users to pay on this transaction
Returns
  • transaction: <uuid> A unique transaction ID
  • payment_url: <string> URL on which to redirect the user


IPN

The IPN (Instant payment notification) is a mechanism that POST data about a successful payment an a custom URL located on your website right after the payment as been validated. It is signed with your API key. Your website is supposed then to either acknowledge the IPN by returning "[OK]" as is. Anything else will be counted as an error and the system will try sending the IPN back every 30 minutes until it succeed.

Content

The IPN POST data will always contain the following:

  • id: <uuid> The transaction ID generated by the initial call
  • payment_id: <uuid> The payment ID
  • status: <enum> Either paid, partial, cancelled or closed (4th one shouldn't happen)

If the status is partial, the user choose to pay without a MtGox account and bitcoins where detected on the network, we then send you an IPN telling you the amount of bitcoins pending and valid, pending bitcoins have less than 6 confirmations so it is up to you to accept or not the transaction based on that value. Your merchant account will be credited only after the 6 confirmations on our end.

Additional content of the partial IPN:

  • amount_pending: <amount as int> The amount still pending confirmations
  • amount_valid: <amount as int> The amount of bitcoins for which we had 6 confirmations
  • amount_total: <amount as int> The total amount, pending and valid, on the payment address

If the status is paid:

  • amount: <amount as int> The amount paid by the user
  • currency: <currency> The currency used to pay (should always be BTC for now)
  • method: <enum> The payment method, for now MTGOXBTC
  • date: <date> The payment date

If data was provided in the initial call:

  • data: <string> The data provided when creating the transaction
Signature

IPNs are now signed with the user secret like the original query to prevent fraudulents IPNs Two headers are added to the request:

  • HTTP_REST_KEY: <uuid> The ReST key used for the query
  • HTTP_REST_SIGN: <string> The IPN signature

HTTP_REST_SIGN is a base64 encoded sha512 HMAC of the post data using your ReST secret as a key.

See below for examples:

PHP
<?php

function mtgox_is_valid_ipn() {
    $secret = '';
    $raw_post_data = file_get_contents("php://input");
    $good_sign = hash_hmac('sha512', $raw_post_data, base64_decode($secret), true);
    $sign = base64_decode($_SERVER['HTTP_REST_SIGN']);
    return ($sign == $good_sign);
}

Dynamic Button

While you can create buttons through the MtGox website, those are generated with the normal API. To display a button with your API transaction, first add the following markup to your page:

<span class="mtgox" data-id="<txid>" data-amount="<amount>" data-currency="<currency>">
  <a href="https://payment.mtgox.com/<txid>">
    <img src="https://payment.mtgox.com/img/mtgox-checkout.png" border="0" />
  </a>
</span>
<!-- You only need the following tag once on the page, after all the buttons (for example on the last line before closing the <body> tag) -->
<![if !IE]><script type="text/javascript" src="https://payment.mtgox.com/js/button.min.js"></script><![endif]>

Make sure to change <txid>, <amount> and <currency> to whatever value apply to that transaction.

Examples

bitcoin_dealer (trading script)

python (django) : https://github.com/rokj/bitcoin_dealer

magento mtgox

magento ( php ) module  : https://github.com/MtGox/magento

See Also