diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 00000000..44c10474
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,156 @@
+declare module 'solc' {
+  export type Primitive =
+    'bool' |
+    'string' |
+    'address' |
+    'uint8' |
+    'uint16' |
+    'uint32' |
+    'uint64' |
+    'uint128' |
+    'uint256' |
+    'int8' |
+    'int16' |
+    'int32' |
+    'int64' |
+    'int128' |
+    'int256' |
+    'bytes' |
+    'bytes20' |
+    'bytes32' |
+    'bool[]' |
+    'string[]' |
+    'address[]' |
+    'uint8[]' |
+    'uint16[]' |
+    'uint32[]' |
+    'uint64[]' |
+    'uint128[]' |
+    'uint256[]' |
+    'int8[]' |
+    'int16[]' |
+    'int32[]' |
+    'int64[]' |
+    'int128[]' |
+    'int256[]' |
+    'bytes[]' |
+    'bytes20[]' |
+    'bytes32[]';
+
+  export interface AbiParameter {
+    name: string,
+    type: Primitive,
+  }
+  
+  export interface AbiEventParameter extends AbiParameter {
+    indexed: boolean,
+  }
+  
+  export interface AbiFunction {
+    name: string,
+    type: 'function' | 'constructor' | 'fallback',
+    stateMutability: 'pure' | 'view' | 'payable' | 'nonpayable',
+    constant: boolean,
+    payable: boolean,
+    inputs: Array<AbiParameter>,
+    outputs: Array<AbiParameter>,
+  }
+  
+  export interface AbiEvent {
+    name: string,
+    type: 'event',
+    inputs: Array<AbiEventParameter>,
+    anonymous: boolean,
+  }
+  
+  export type Abi = Array<AbiFunction | AbiEvent>;
+  
+  interface CompilerInputSourceFile {
+    keccak256?: string;
+    urls: string[];
+  }
+  interface CompilerInputSourceCode {
+    keccak256?: string;
+    content: string;
+  }
+  interface CompilerInput {
+    language: "Solidity" | "serpent" | "lll" | "assembly";
+    settings?: any,
+    sources: {
+      [globalName: string]: CompilerInputSourceFile|CompilerInputSourceCode,
+    };
+  }
+  interface CompilerOutputError {
+    sourceLocation?: {
+      file: string;
+      start: number;
+      end: number;
+    };
+    type: "TypeError" | "InternalCompilerError" | "Exception";
+    component: "general" | "ewasm";
+    severity: "error" | "warning";
+    message: string;
+    formattedMessage?: string;
+  }
+  interface CompilerOutputEvmBytecode {
+    object?: string;
+    opcodes?: string;
+    sourceMap?: string;
+    linkReferences?: {} | {
+      [globalName: string]: {
+        [name: string]: {start: number, length: number}[];
+      };
+    };
+  }
+  interface CompilerOutputSources {
+    [globalName: string]: {
+      id: number;
+      ast?: any;
+      legacyAST?: any;
+    },
+  }
+  interface CompilerOutputContracts {
+    [globalName: string]: {
+      [contractName: string]: {
+        abi?: Abi;
+        metadata?: string;
+        userdoc?: any;
+        devdoc?: any;
+        ir?: string;
+        evm?: {
+          assembly?: string;
+          legacyAssembly?: any;
+          bytecode: CompilerOutputEvmBytecode;
+          deployedBytecode?: CompilerOutputEvmBytecode;
+          methodIdentifiers?: {
+            [methodName: string]: string;
+          };
+          gasEstimates?: {
+            creation: {
+              codeDepositCost: string;
+              executionCost: string;
+              totalCost: string;
+            };
+            external: {
+              [functionSignature: string]: string;
+            };
+            internal: {
+              [functionSignature: string]: string;
+            };
+          };
+        };
+        ewasm: {
+          wast?: string;
+          wasm?: string;
+        }
+      }
+    };
+  }
+  interface CompilerOutput {
+    errors: CompilerOutputError[];
+    sources: CompilerOutputSources;
+    contracts: CompilerOutputContracts;
+  }
+  type ReadCallback = (path: string) => { contents?: string, error?: string};
+  function compileStandardWrapper(input: string, readCallback?: ReadCallback): string;
+}
diff --git a/package.json b/package.json
index 89ccaa0a..909e2cea 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "0.5.0",
   "description": "Solidity compiler",
   "main": "index.js",
+  "types": "index.d.ts",
   "bin": {
     "solcjs": "solcjs"
   },