diff --git a/api/docgen/docgen.go b/api/docgen/docgen.go
index eac266a1684..cecc79886e0 100644
--- a/api/docgen/docgen.go
+++ b/api/docgen/docgen.go
@@ -105,6 +105,31 @@ func init() {
 	addExample(f3Lease)
 	addExample(&f3Lease)
 
+	f3Cert := certs.FinalityCertificate{
+		GPBFTInstance: 0,
+		ECChain: []gpbft.TipSet{
+			{
+				Epoch:      0,
+				Key:        tsk.Bytes(),
+				PowerTable: c,
+			},
+		},
+		SupplementalData: gpbft.SupplementalData{
+			PowerTable: c,
+		},
+		Signers:   bitfield.NewFromSet([]uint64{2, 3, 5, 7}),
+		Signature: []byte("UnDadaSeA"),
+		PowerTableDelta: []certs.PowerTableDelta{
+			{
+				ParticipantID: 0,
+				PowerDelta:    gpbft.StoragePower{},
+				SigningKey:    []byte("BaRrelEYe"),
+			},
+		},
+	}
+	addExample(f3Cert)
+	addExample(&f3Cert)
+
 	block := blocks.Block(&blocks.BasicBlock{})
 	ExampleValues[reflect.TypeOf(&block).Elem()] = block
 
@@ -429,7 +454,6 @@ func init() {
 		FromHeight: epochPtr(1010),
 		ToHeight:   epochPtr(1020),
 	})
-	addExample(&certs.FinalityCertificate{})
 	addExample(&manifest.Manifest{})
 	addExample(gpbft.NetworkName("filecoin"))
 	addExample(gpbft.ActorID(1000))
diff --git a/build/openrpc/full.json b/build/openrpc/full.json
index 9517c26d6ae..1dcaf298e85 100644
--- a/build/openrpc/full.json
+++ b/build/openrpc/full.json
@@ -7084,15 +7084,45 @@
                     "examples": [
                         {
                             "GPBFTInstance": 0,
-                            "ECChain": null,
+                            "ECChain": [
+                                {
+                                    "Key": [
+                                        {
+                                            "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+                                        },
+                                        {
+                                            "/": "bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve"
+                                        }
+                                    ],
+                                    "Commitments": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
+                                    "Epoch": 0,
+                                    "PowerTable": {
+                                        "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+                                    }
+                                }
+                            ],
                             "SupplementalData": {
                                 "Commitments": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
-                                "PowerTable": null
+                                "PowerTable": {
+                                    "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+                                }
                             },
                             "Signers": [
-                                0
+                                2,
+                                2,
+                                1,
+                                1,
+                                1,
+                                1
                             ],
-                            "Signature": null
+                            "Signature": "VW5EYWRhU2VB",
+                            "PowerTableDelta": [
+                                {
+                                    "ParticipantID": 0,
+                                    "PowerDelta": "0",
+                                    "SigningKey": "QmFScmVsRVll"
+                                }
+                            ]
                         }
                     ],
                     "additionalProperties": false,
@@ -7383,15 +7413,45 @@
                     "examples": [
                         {
                             "GPBFTInstance": 0,
-                            "ECChain": null,
+                            "ECChain": [
+                                {
+                                    "Key": [
+                                        {
+                                            "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+                                        },
+                                        {
+                                            "/": "bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve"
+                                        }
+                                    ],
+                                    "Commitments": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
+                                    "Epoch": 0,
+                                    "PowerTable": {
+                                        "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+                                    }
+                                }
+                            ],
                             "SupplementalData": {
                                 "Commitments": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
-                                "PowerTable": null
+                                "PowerTable": {
+                                    "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+                                }
                             },
                             "Signers": [
-                                0
+                                2,
+                                2,
+                                1,
+                                1,
+                                1,
+                                1
                             ],
-                            "Signature": null
+                            "Signature": "VW5EYWRhU2VB",
+                            "PowerTableDelta": [
+                                {
+                                    "ParticipantID": 0,
+                                    "PowerDelta": "0",
+                                    "SigningKey": "QmFScmVsRVll"
+                                }
+                            ]
                         }
                     ],
                     "additionalProperties": false,
diff --git a/documentation/en/api-v1-unstable-methods.md b/documentation/en/api-v1-unstable-methods.md
index 129410ab332..12077ab5790 100644
--- a/documentation/en/api-v1-unstable-methods.md
+++ b/documentation/en/api-v1-unstable-methods.md
@@ -2417,15 +2417,45 @@ Response:
 ```json
 {
   "GPBFTInstance": 0,
-  "ECChain": null,
+  "ECChain": [
+    {
+      "Key": [
+        {
+          "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+        },
+        {
+          "/": "bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve"
+        }
+      ],
+      "Commitments": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
+      "Epoch": 0,
+      "PowerTable": {
+        "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+      }
+    }
+  ],
   "SupplementalData": {
     "Commitments": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
-    "PowerTable": null
+    "PowerTable": {
+      "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+    }
   },
   "Signers": [
-    0
+    2,
+    2,
+    1,
+    1,
+    1,
+    1
   ],
-  "Signature": null
+  "Signature": "VW5EYWRhU2VB",
+  "PowerTableDelta": [
+    {
+      "ParticipantID": 0,
+      "PowerDelta": "0",
+      "SigningKey": "QmFScmVsRVll"
+    }
+  ]
 }
 ```
 
@@ -2503,15 +2533,45 @@ Response:
 ```json
 {
   "GPBFTInstance": 0,
-  "ECChain": null,
+  "ECChain": [
+    {
+      "Key": [
+        {
+          "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+        },
+        {
+          "/": "bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve"
+        }
+      ],
+      "Commitments": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
+      "Epoch": 0,
+      "PowerTable": {
+        "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+      }
+    }
+  ],
   "SupplementalData": {
     "Commitments": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
-    "PowerTable": null
+    "PowerTable": {
+      "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+    }
   },
   "Signers": [
-    0
+    2,
+    2,
+    1,
+    1,
+    1,
+    1
   ],
-  "Signature": null
+  "Signature": "VW5EYWRhU2VB",
+  "PowerTableDelta": [
+    {
+      "ParticipantID": 0,
+      "PowerDelta": "0",
+      "SigningKey": "QmFScmVsRVll"
+    }
+  ]
 }
 ```