diff --git a/model/src/payment/payment.rs b/model/src/payment/payment.rs
index 97af8c1b..6017214f 100644
--- a/model/src/payment/payment.rs
+++ b/model/src/payment/payment.rs
@@ -33,6 +33,10 @@ pub enum PaymentStatusProperty {
         #[serde(rename = "neededTokenEst")]
         needed_token_est: String,
     },
+    InvalidChainId {
+        #[serde(rename = "chainId")]
+        chain_id: i64,
+    },
     CantSign {
         network: String,
         address: String,
diff --git a/specs/payment-api.yaml b/specs/payment-api.yaml
index da538384..d95cc9f5 100644
--- a/specs/payment-api.yaml
+++ b/specs/payment-api.yaml
@@ -1297,6 +1297,10 @@ components:
             Determines what property this is.
             - InsufficientGas -- Driver cannot proceed due to missing gas.
             - InsufficientToken -- Driver cannot proceed due to missing tokens.
+            - InvalidChainId -- A transaction can't be processed because its chain-id
+              isn't present in the configuration. This hints at a network being removed
+              from driver configuration after a transaction on this network has been
+              scheduled.
             - CantSign -- Driver cannot sign transactions (locked wallet?).
             - RpcError -- All configured RPC endpoints are failing.
             - TxStuck -- Transaction was sent to blockchain successfully but cannot
@@ -1306,6 +1310,7 @@ components:
           enum:
           - InsufficientGas
           - InsufficientToken
+          - InvalidChainId
           - CantSign
           - TxStuck
           - RpcError
@@ -1314,6 +1319,8 @@ components:
             Indicates which chain the problem occurs on. No statuses other than
             CantSign necessarily imply issues on other chains than the one the status
             property originates from.
+
+            Present for all status properties other than InvalidChainId.
           type: string
         neededGasEst:
           description: >
@@ -1333,9 +1340,14 @@ components:
 
             Only present for CantSign.
           type: string
+        chainId:
+          description: >
+            Chain-id that the error relates to.
+
+            Only present for InvalidChainId.
+          type: integer
       required:
         - kind
-        - network
 
     AgreementPayment:
       description: >