diff --git a/lnd_methods/onchain/get_minimum_relay_fee.d.ts b/lnd_methods/onchain/get_minimum_relay_fee.d.ts
new file mode 100644
index 0000000..e4d2e64
--- /dev/null
+++ b/lnd_methods/onchain/get_minimum_relay_fee.d.ts
@@ -0,0 +1,25 @@
+import type {
+  AuthenticatedLightningArgs,
+  AuthenticatedLightningMethod,
+} from '../../typescript';
+
+export type GetMinimumRelayFeeArgs = AuthenticatedLightningArgs;
+
+export interface GetMinimumRelayFeeResult {
+  /** Minimum Relayable Tokens Per Virtual Byte Number */
+  tokens_per_vbyte: number;
+}
+
+/**
+ * Get the current minimum relay fee for the chain backend
+ *
+ * Requires LND built with `walletrpc` tag
+ *
+ * Requires `onchain:read` permission
+ *
+ * This method is not supported on LND 0.18.2 and below
+ */
+export const getMinimumRelayFee: AuthenticatedLightningMethod<
+  GetMinimumRelayFeeArgs,
+  GetMinimumRelayFeeResult
+>;
diff --git a/lnd_methods/onchain/index.d.ts b/lnd_methods/onchain/index.d.ts
index 233f8de..60eea8b 100644
--- a/lnd_methods/onchain/index.d.ts
+++ b/lnd_methods/onchain/index.d.ts
@@ -15,6 +15,7 @@ export * from './get_chain_transaction';
 export * from './get_chain_transactions';
 export * from './get_locked_utxos';
 export * from './get_master_public_keys';
+export * from './get_minimum_relay_fee';
 export * from './get_pending_chain_balance';
 export * from './get_pending_sweeps';
 export * from './get_sweep_transactions';