diff --git a/src/claimDefinitions/devto.js b/src/claimDefinitions/devto.js
index d335666..09522e2 100644
--- a/src/claimDefinitions/devto.js
+++ b/src/claimDefinitions/devto.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: `https://dev.to/api/articles/${match[1]}/${match[2]}`,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/discourse.js b/src/claimDefinitions/discourse.js
index 10d7be9..4f63374 100644
--- a/src/claimDefinitions/discourse.js
+++ b/src/claimDefinitions/discourse.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: `https://${match[1]}/u/${match[2]}.json`,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/fediverse.js b/src/claimDefinitions/fediverse.js
index 2c25f90..da1cdb1 100644
--- a/src/claimDefinitions/fediverse.js
+++ b/src/claimDefinitions/fediverse.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: uri,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/gitea.js b/src/claimDefinitions/gitea.js
index d1a635b..fc8235f 100644
--- a/src/claimDefinitions/gitea.js
+++ b/src/claimDefinitions/gitea.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: `https://${match[1]}/api/v1/repos/${match[2]}/gitea_proof`,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/github.js b/src/claimDefinitions/github.js
index 14fd006..1676b62 100644
--- a/src/claimDefinitions/github.js
+++ b/src/claimDefinitions/github.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: `https://api.github.com/gists/${match[2]}`,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/hackernews.js b/src/claimDefinitions/hackernews.js
index ca65c72..67d8ef4 100644
--- a/src/claimDefinitions/hackernews.js
+++ b/src/claimDefinitions/hackernews.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: `https://hacker-news.firebaseio.com/v0/user/${match[1]}.json`,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/liberapay.js b/src/claimDefinitions/liberapay.js
index 760c2a7..a251977 100644
--- a/src/claimDefinitions/liberapay.js
+++ b/src/claimDefinitions/liberapay.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: `https://liberapay.com/${match[1]}/public.json`,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/lobsters.js b/src/claimDefinitions/lobsters.js
index 51e2ca9..c6025d6 100644
--- a/src/claimDefinitions/lobsters.js
+++ b/src/claimDefinitions/lobsters.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: `https://lobste.rs/u/${match[1]}.json`,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/mastodon.js b/src/claimDefinitions/mastodon.js
index 7149ec0..6bc97bb 100644
--- a/src/claimDefinitions/mastodon.js
+++ b/src/claimDefinitions/mastodon.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: uri,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/owncast.js b/src/claimDefinitions/owncast.js
index dafd6b6..17708f5 100644
--- a/src/claimDefinitions/owncast.js
+++ b/src/claimDefinitions/owncast.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: `${uri}/api/config`,
+          format: E.ProofFormat.JSON,
         }
       }
     },
diff --git a/src/claimDefinitions/reddit.js b/src/claimDefinitions/reddit.js
index 21d6bdb..2ea53f6 100644
--- a/src/claimDefinitions/reddit.js
+++ b/src/claimDefinitions/reddit.js
@@ -42,6 +42,7 @@ const processURI = (uri) => {
         format: E.ProofFormat.JSON,
         data: {
           url: `https://www.reddit.com/user/${match[1]}/comments/${match[2]}.json`,
+          format: E.ProofFormat.JSON,
         }
       }
     },