diff --git a/src/eth/execute.yaml b/src/eth/execute.yaml
index c5e527074..e7ceeb08e 100644
--- a/src/eth/execute.yaml
+++ b/src/eth/execute.yaml
@@ -54,3 +54,14 @@
         gasUsed:
           title: Gas used
           $ref: '#/components/schemas/uint'
+- name: eth_multicall
+  summary: Executes a sequence of message calls building on eachother's state immediately without creating transactions on the block chain.
+  params:
+    - name: Arguments
+      required: true
+      schema:
+        $ref: '#/components/schemas/MulticallArgs'
+  result:
+    name: Result of calls
+    schema:
+      $ref: '#/components/schemas/CallResults'
diff --git a/src/schemas/execute.yaml b/src/schemas/execute.yaml
new file mode 100644
index 000000000..258714071
--- /dev/null
+++ b/src/schemas/execute.yaml
@@ -0,0 +1,112 @@
+MulticallArgs:
+  title: Arguments for multi call
+  type: object
+  required:
+    - block
+    - calls
+  properties:
+    block:
+      title: Block tag
+      $ref: '#/components/schemas/BlockNumberOrTag'
+    stateOverrides:
+      title: State overrides
+      $ref: '#/components/schemas/StateOverrides'
+    blockOverrides:
+      title: Overrides for block metadata
+      $ref: '#/components/schemas/BlockOverrides'
+    calls:
+      title: List of calls
+      $ref: '#/components/schemas/Calls'
+Calls:
+  title: List of message calls
+  type: array
+  items:
+    $ref: '#/components/schemas/GenericTransaction'
+StateOverrides:
+  title: Accounts in state to be overridden
+  type: object
+  additionalProperties:
+    $ref: '#/components/schemas/AccountOverride'
+AccountOverride:
+  title: Details of an account to be overridden
+  type: object
+  oneOf:
+    - $ref: '#/components/schemas/AccountOverrideState'
+    - $ref: '#/components/schemas/AccountOverrideStateDiff'
+AccountOverrideState:
+  title: Account override with whole storage replacement
+  properties:
+    nonce:
+      title: Nonce
+      $ref: '#/components/schemas/uint64'
+    balance:
+      title: Balance
+      $ref: '#/components/schemas/uint256'
+    code:
+      title: Code
+      $ref: '#/components/schemas/bytes'
+    state:
+      title: Storage
+      $ref: '#/components/schemas/AccountStorage'
+AccountOverrideStateDiff:
+  title: Account override with partial storage modification
+  properties:
+    nonce:
+      title: Nonce
+      $ref: '#/components/schemas/uint64'
+    balance:
+      title: Balance
+      $ref: '#/components/schemas/uint256'
+    code:
+      title: Code
+      $ref: '#/components/schemas/bytes'
+    stateDiff:
+      title: Storage difference
+      $ref: '#/components/schemas/AccountStorage'
+AccountStorage:
+  title: Storage slots for an account
+  type: object
+  additionalProperties:
+    - $ref: '#/components/schemas/hash32'
+BlockOverrides:
+  title: Context fields related to the block being executed
+  type: object
+  properties:
+    number:
+      title: Number
+      $ref: '#/components/schemas/uint256'
+    prevRandao:
+      title: Randomness beacon
+      $ref: '#/components/schemas/uint256'
+    time:
+      title: Time
+      $ref: '#/components/schemas/uint256'
+    gasLimit:
+      title: Gas limit
+      $ref: '#/components/schemas/uint64'
+    coinbase:
+      title: Coinbase
+      $ref: '#/components/schemas/address'
+    random:
+      title: Random
+      $ref: '#/components/schemas/hash32'
+    baseFee:
+      title: Base fee
+      $ref: '#/components/schemas/uint256'
+CallResults:
+  title: Results of multi call
+  type: array
+  items:
+    $ref: '#/components/schemas/CallResult'
+CallResult:
+  title: Result of a call
+  type: object
+  required:
+    - return
+  properties:
+    return:
+      title: Return data
+      $ref: '#/components/schemas/bytes'
+    error:
+      title: Execution error
+      type: string
diff --git a/wordlist.txt b/wordlist.txt
index b941e83af..69d0611f4 100644
--- a/wordlist.txt
+++ b/wordlist.txt
@@ -42,3 +42,4 @@ ipc
 cli
 besu
 graphql
+prevRandao