What is REST Representational state transfer it is the architectural style of building Decoupled application What is REpresentational state transfer transfer of the state of representation(json or xml) of the resource One important thing in rest is rest is all about using nouns for ex api/product/9 is nous in soap it is getproducts() is full of actions 4 type of request in http protocol can have 4 verbs GET Post Put Delete in short rest is architecture style soap is protocal when anyone tells about web api it is rest and web services it is soap api Rest Constraints