diff --git a/BUILD b/BUILD
index 459aebd820d021833ce22c582b7894f8b00000b7..23a4a94ad5b135231d0496d249b1d64678e17603 100644
--- a/BUILD
+++ b/BUILD
@@ -438,6 +438,7 @@ cc_library(
     "src/core/census/context.c",
     "src/core/census/initialize.c",
     "src/core/census/operation.c",
+    "src/core/census/placeholders.c",
     "src/core/census/tag_set.c",
     "src/core/census/tracing.c",
   ],
@@ -714,6 +715,7 @@ cc_library(
     "src/core/census/context.c",
     "src/core/census/initialize.c",
     "src/core/census/operation.c",
+    "src/core/census/placeholders.c",
     "src/core/census/tag_set.c",
     "src/core/census/tracing.c",
   ],
@@ -1388,6 +1390,7 @@ objc_library(
     "src/core/census/context.c",
     "src/core/census/initialize.c",
     "src/core/census/operation.c",
+    "src/core/census/placeholders.c",
     "src/core/census/tag_set.c",
     "src/core/census/tracing.c",
   ],
diff --git a/Makefile b/Makefile
index 31559d5c65226e51c297602031183e79faeed31f..ede3da369363c0cdfccf14eaf39a4f0acc7a7d26 100644
--- a/Makefile
+++ b/Makefile
@@ -2505,6 +2505,7 @@ LIBGRPC_SRC = \
     src/core/census/context.c \
     src/core/census/initialize.c \
     src/core/census/operation.c \
+    src/core/census/placeholders.c \
     src/core/census/tag_set.c \
     src/core/census/tracing.c \
 
@@ -2809,6 +2810,7 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/census/context.c \
     src/core/census/initialize.c \
     src/core/census/operation.c \
+    src/core/census/placeholders.c \
     src/core/census/tag_set.c \
     src/core/census/tracing.c \
 
diff --git a/binding.gyp b/binding.gyp
index 651c2e13af35e0eed53dfbbcc7e1b189d4d9012c..4234f62debf98230868e9b3b1a786c9e0b57c0e5 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -699,6 +699,7 @@
         'src/core/census/context.c',
         'src/core/census/initialize.c',
         'src/core/census/operation.c',
+        'src/core/census/placeholders.c',
         'src/core/census/tag_set.c',
         'src/core/census/tracing.c',
       ],
diff --git a/build.yaml b/build.yaml
index 1b3cb7920281909c00ceb12f58d92a9928fad985..f44d42084dd2f65677cf6ad4f09faaade9b6de38 100644
--- a/build.yaml
+++ b/build.yaml
@@ -20,6 +20,7 @@ filegroups:
   - src/core/census/context.c
   - src/core/census/initialize.c
   - src/core/census/operation.c
+  - src/core/census/placeholders.c
   - src/core/census/tag_set.c
   - src/core/census/tracing.c
 - name: grpc++_base
diff --git a/gRPC.podspec b/gRPC.podspec
index 922b246c54cbb6aa222446c42e041f583dbd709a..f8740c102b3c78ef4eedabdd1460bc1de45df0ca 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -449,6 +449,7 @@ Pod::Spec.new do |s|
                       'src/core/census/context.c',
                       'src/core/census/initialize.c',
                       'src/core/census/operation.c',
+                      'src/core/census/placeholders.c',
                       'src/core/census/tag_set.c',
                       'src/core/census/tracing.c'
 
diff --git a/grpc.gemspec b/grpc.gemspec
index 7f11ec778a554f4c651f7aa91fc45665e937dacd..61f0380b57e6e2244dc6962ca200fbd58ce559a0 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -432,6 +432,7 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/census/context.c )
   s.files += %w( src/core/census/initialize.c )
   s.files += %w( src/core/census/operation.c )
+  s.files += %w( src/core/census/placeholders.c )
   s.files += %w( src/core/census/tag_set.c )
   s.files += %w( src/core/census/tracing.c )
 end
diff --git a/package.json b/package.json
index f02a100bc7a46b43431e00acdbb35270848bf582..51b3e12b02add6cc9406b24edd7407e1ee33b0cd 100644
--- a/package.json
+++ b/package.json
@@ -373,6 +373,7 @@
     "src/core/census/context.c",
     "src/core/census/initialize.c",
     "src/core/census/operation.c",
+    "src/core/census/placeholders.c",
     "src/core/census/tag_set.c",
     "src/core/census/tracing.c",
     "third_party/zlib/crc32.h",
diff --git a/src/core/census/placeholders.c b/src/core/census/placeholders.c
new file mode 100644
index 0000000000000000000000000000000000000000..5829cc946070889c188b7a60de964819693b7d01
--- /dev/null
+++ b/src/core/census/placeholders.c
@@ -0,0 +1,114 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/census.h>
+
+#include <grpc/support/log.h>
+
+/* Placeholders for the pending APIs */
+
+census_tag_set *census_context_tag_set(census_context *context) {
+  (void)context;
+  abort();
+}
+
+int census_get_trace_record(census_trace_record *trace_record) {
+  (void)trace_record;
+  abort();
+}
+
+void census_record_values(census_context *context, census_value *values,
+                          size_t nvalues) {
+  (void)context;
+  (void)values;
+  (void)nvalues;
+  abort();
+}
+
+void census_set_rpc_client_peer(census_context *context, const char *peer) {
+  (void)context;
+  (void)peer;
+  abort();
+}
+
+void census_trace_scan_end() { abort(); }
+
+int census_trace_scan_start(int consume) {
+  (void)consume;
+  abort();
+}
+
+const census_aggregation *census_view_aggregrations(const census_view *view) {
+  (void)view;
+  abort();
+}
+
+census_view *census_view_create(uint32_t metric_id, const census_tag_set *tags,
+                                const census_aggregation *aggregations,
+                                size_t naggregations) {
+  (void)metric_id;
+  (void)tags;
+  (void)aggregations;
+  (void)naggregations;
+  abort();
+}
+
+const census_tag_set *census_view_tags(const census_view *view) {
+  (void)view;
+  abort();
+}
+
+void census_view_delete(census_view *view) {
+  (void)view;
+  abort();
+}
+
+const census_view_data *census_view_get_data(const census_view *view) {
+  (void)view;
+  abort();
+}
+
+size_t census_view_metric(const census_view *view) {
+  (void)view;
+  abort();
+}
+
+size_t census_view_naggregations(const census_view *view) {
+  (void)view;
+  abort();
+}
+
+void census_view_reset(census_view *view) {
+  (void)view;
+  abort();
+}
diff --git a/src/core/statistics/census_init.c b/src/core/statistics/census_init.c
index e6306f5e6facd1312a912ea32d1d6a1255b0992d..b6a962f228f5ed719fe4964c7d7529f6cc105188 100644
--- a/src/core/statistics/census_init.c
+++ b/src/core/statistics/census_init.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 98ab1ff7f0e8424bff14c4aafa895717f1a3e190..6dfc179ac7f4d9c770a0dea66c533663fee8455e 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -221,6 +221,7 @@ CORE_SOURCE_FILES = [
   'src/core/census/context.c',
   'src/core/census/initialize.c',
   'src/core/census/operation.c',
+  'src/core/census/placeholders.c',
   'src/core/census/tag_set.c',
   'src/core/census/tracing.c',
   'src/boringssl/err_data.c',
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 11dc33a4630dd84003f0466baf1f6be69d6f2149..47df69310696789813dd3804086202f2ca246dd3 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1047,6 +1047,7 @@ src/core/transport/transport_op_string.c \
 src/core/census/context.c \
 src/core/census/initialize.c \
 src/core/census/operation.c \
+src/core/census/placeholders.c \
 src/core/census/tag_set.c \
 src/core/census/tracing.c \
 include/grpc/support/alloc.h \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 9113f1ca057e39c7153feb431f0aefaa200f73e2..bb3c9c413e709364595c95ce2b7ed37661a581a2 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -3092,6 +3092,7 @@
       "src/core/census/grpc_filter.h", 
       "src/core/census/initialize.c", 
       "src/core/census/operation.c", 
+      "src/core/census/placeholders.c", 
       "src/core/census/rpc_metric_id.h", 
       "src/core/census/tag_set.c", 
       "src/core/census/tracing.c", 
@@ -3591,6 +3592,7 @@
       "src/core/census/grpc_filter.h", 
       "src/core/census/initialize.c", 
       "src/core/census/operation.c", 
+      "src/core/census/placeholders.c", 
       "src/core/census/rpc_metric_id.h", 
       "src/core/census/tag_set.c", 
       "src/core/census/tracing.c", 
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 438667a4d9b3eae40be3d451bf5d8c6755b43476..89056959a9951aa96eb5d695e5dcb827de414e82 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -708,6 +708,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\operation.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\census\placeholders.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tag_set.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 90395cadda858a54ec33890464feff26e33b12c0..70b3761aa36e01d4eee536df9328133a41569221 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -451,6 +451,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\census\operation.c">
       <Filter>src\core\census</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\census\placeholders.c">
+      <Filter>src\core\census</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tag_set.c">
       <Filter>src\core\census</Filter>
     </ClCompile>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 014e67f4619483bf5d77cfdaa648abfde13ea15c..ff1cb8b76ecdfa6715984d305c28145666d53f7b 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -644,6 +644,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\operation.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\census\placeholders.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tag_set.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 4f8a77d4b20fd01f7cde5d2cab4c8d200b95bcd9..738137d095fa9eff8d01567940099acbe9198479 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -391,6 +391,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\census\operation.c">
       <Filter>src\core\census</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\census\placeholders.c">
+      <Filter>src\core\census</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tag_set.c">
       <Filter>src\core\census</Filter>
     </ClCompile>