What follows is an exhaustive description of the different types of 'rawtransaction' requests you can pose to this server:

Get Raw Transactions by TXID

GET /rawtransactions/getRawTransaction/{txid}
Transaction data single. Example

GET /rawtransactions/sendRawTransaction/{hex}
Send a signed transaction to be broadcast to the network. Example

POST /rawtransactions/sendRawTransaction
Transaction broadcast bulk

{
  "hexes": [
    "01000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a000000006a4730440220540986d1c58d6e76f8f05501c520c38ce55393d0ed7ed3c3a82c69af04221232022058ea43ed6c05fec0eccce749a63332ed4525460105346f11108b9c26df93cd72012103083dfc5a0254613941ddc91af39ff90cd711cdcde03a87b144b883b524660c39ffffffff01807c814a000000001976a914d7e7c4e0b70eaa67ceff9d2823d1bbb9f6df9a5188ac00000000"
  ]
}