API fuzzer
diff --git a/Makefile b/Makefile
index 690b92f..50bbf19 100644
--- a/Makefile
+++ b/Makefile
@@ -881,6 +881,7 @@
 algorithm_test: $(BINDIR)/$(CONFIG)/algorithm_test
 alloc_test: $(BINDIR)/$(CONFIG)/alloc_test
 alpn_test: $(BINDIR)/$(CONFIG)/alpn_test
+api_fuzzer: $(BINDIR)/$(CONFIG)/api_fuzzer
 bin_encoder_test: $(BINDIR)/$(CONFIG)/bin_encoder_test
 census_context_test: $(BINDIR)/$(CONFIG)/census_context_test
 channel_create_test: $(BINDIR)/$(CONFIG)/channel_create_test
@@ -1118,6 +1119,7 @@
 h2_sockpair+trace_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test
 h2_sockpair_1byte_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test
 h2_uds_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_nosec_test
+api_fuzzer_one_entry: $(BINDIR)/$(CONFIG)/api_fuzzer_one_entry
 client_fuzzer_one_entry: $(BINDIR)/$(CONFIG)/client_fuzzer_one_entry
 hpack_parser_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry
 http_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry
@@ -1345,6 +1347,7 @@
   $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_uds_nosec_test \
+  $(BINDIR)/$(CONFIG)/api_fuzzer_one_entry \
   $(BINDIR)/$(CONFIG)/client_fuzzer_one_entry \
   $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry \
   $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry \
@@ -6025,6 +6028,38 @@
 endif
 
 
+API_FUZZER_SRC = \
+    test/core/end2end/fuzzers/api_fuzzer.c \
+
+API_FUZZER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(API_FUZZER_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/api_fuzzer: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/api_fuzzer: $(API_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(API_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/api_fuzzer
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/api_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_api_fuzzer: $(API_FUZZER_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(API_FUZZER_OBJS:.o=.dep)
+endif
+endif
+
+
 BIN_ENCODER_TEST_SRC = \
     test/core/transport/chttp2/bin_encoder_test.c \
 
@@ -13802,6 +13837,38 @@
 endif
 
 
+API_FUZZER_ONE_ENTRY_SRC = \
+    test/core/end2end/fuzzers/api_fuzzer.c \
+
+API_FUZZER_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(API_FUZZER_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/api_fuzzer_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/api_fuzzer_one_entry: $(API_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(API_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/api_fuzzer_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/api_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_api_fuzzer_one_entry: $(API_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(API_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
 CLIENT_FUZZER_ONE_ENTRY_SRC = \
     test/core/end2end/fuzzers/client_fuzzer.c \
 
diff --git a/build.yaml b/build.yaml
index e274b03..852f15b 100644
--- a/build.yaml
+++ b/build.yaml
@@ -1103,6 +1103,19 @@
   - grpc
   - gpr_test_util
   - gpr
+- name: api_fuzzer
+  build: fuzzer
+  language: c
+  src:
+  - test/core/end2end/fuzzers/api_fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/end2end/fuzzers/api_fuzzer_corpus
+  maxlen: 2048
 - name: bin_encoder_test
   build: test
   language: c
diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
index 0ed1157..c5d3d8d 100644
--- a/src/core/ext/transport/chttp2/client/insecure/channel_create.c
+++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
@@ -235,5 +235,7 @@
 
   grpc_exec_ctx_finish(&exec_ctx);
 
-  return channel; /* may be NULL */
+  return channel != NULL ? channel : grpc_lame_client_channel_create(
+                                         target, GRPC_STATUS_INTERNAL,
+                                         "Failed to create client channel");
 }
diff --git a/src/core/lib/support/time_posix.c b/src/core/lib/support/time_posix.c
index f5f62da..cc0aa2b 100644
--- a/src/core/lib/support/time_posix.c
+++ b/src/core/lib/support/time_posix.c
@@ -78,7 +78,7 @@
 
 void gpr_time_init(void) { gpr_precise_clock_init(); }
 
-gpr_timespec gpr_now(gpr_clock_type clock_type) {
+static gpr_timespec now_impl(gpr_clock_type clock_type) {
   struct timespec now;
   GPR_ASSERT(clock_type != GPR_TIMESPAN);
   if (clock_type == GPR_CLOCK_PRECISE) {
@@ -95,6 +95,12 @@
     return gpr_from_timespec(now, clock_type);
   }
 }
+
+gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type) = now_impl;
+
+gpr_timespec gpr_now(gpr_clock_type clock_type) {
+  return gpr_now_impl(clock_type);
+}
 #else
 /* For some reason Apple's OSes haven't implemented clock_gettime. */
 
diff --git a/test/core/end2end/fuzzers/api_fuzzer.c b/test/core/end2end/fuzzers/api_fuzzer.c
new file mode 100644
index 0000000..ebde79c
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer.c
@@ -0,0 +1,247 @@
+/*
+ *
+ * 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 <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/transport/metadata.h"
+#include "test/core/util/mock_endpoint.h"
+
+////////////////////////////////////////////////////////////////////////////////
+// logging
+
+static const bool squelch = true;
+
+static void dont_log(gpr_log_func_args *args) {}
+
+////////////////////////////////////////////////////////////////////////////////
+// input_stream: allows easy access to input bytes, and allows reading a little
+//               past the end (avoiding needing to check everywhere)
+
+typedef struct {
+  const uint8_t *cur;
+  const uint8_t *end;
+} input_stream;
+
+static uint8_t next_byte(input_stream *inp) {
+  if (inp->cur == inp->end) {
+    return 0;
+  }
+  return *inp->cur++;
+}
+
+static char *read_string(input_stream *inp) {
+  size_t len = next_byte(inp);
+  char *str = gpr_malloc(len + 1);
+  for (size_t i = 0; i < len; i++) {
+    str[i] = (char)next_byte(inp);
+  }
+  str[len] = 0;
+  return str;
+}
+
+static uint32_t read_uint32(input_stream *inp) {
+  uint8_t b = next_byte(inp);
+  uint32_t x = b & 0x7f;
+  if (b & 0x80) {
+    x <<= 7;
+    b = next_byte(inp);
+    x |= b & 0x7f;
+    if (b & 0x80) {
+      x <<= 7;
+      b = next_byte(inp);
+      x |= b & 0x7f;
+      if (b & 0x80) {
+        x <<= 7;
+        b = next_byte(inp);
+        x |= b & 0x7f;
+        if (b & 0x80) {
+          x = (x << 4) | (next_byte(inp) & 0x0f);
+        }
+      }
+    }
+  }
+  return x;
+}
+
+static int read_int(input_stream *inp) { return (int)read_uint32(inp); }
+
+static grpc_channel_args *read_args(input_stream *inp) {
+  size_t n = next_byte(inp);
+  grpc_arg *args = gpr_malloc(sizeof(*args) * n);
+  for (size_t i = 0; i < n; i++) {
+    bool is_string = next_byte(inp) & 1;
+    args[i].type = is_string ? GRPC_ARG_STRING : GRPC_ARG_INTEGER;
+    args[i].key = read_string(inp);
+    if (is_string) {
+      args[i].value.string = read_string(inp);
+    } else {
+      args[i].value.integer = read_int(inp);
+    }
+  }
+  grpc_channel_args *a = gpr_malloc(sizeof(*a));
+  a->args = args;
+  a->num_args = n;
+  return a;
+}
+
+static bool is_eof(input_stream *inp) { return inp->cur == inp->end; }
+
+////////////////////////////////////////////////////////////////////////////////
+// global state
+
+static gpr_mu g_mu;
+static gpr_timespec g_now;
+
+extern gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
+
+static gpr_timespec now_impl(gpr_clock_type clock_type) {
+  GPR_ASSERT(clock_type != GPR_TIMESPAN);
+  gpr_mu_lock(&g_mu);
+  gpr_timespec now = g_now;
+  gpr_mu_unlock(&g_mu);
+  return now;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// test state
+
+typedef struct { grpc_channel *channel; } channel_state;
+typedef struct { grpc_server *server; } server_state;
+
+////////////////////////////////////////////////////////////////////////////////
+// test driver
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  if (squelch) gpr_set_log_function(dont_log);
+  input_stream inp = {data, data + size};
+  gpr_mu_init(&g_mu);
+  gpr_now_impl = now_impl;
+  grpc_init();
+
+  channel_state chans[256];
+  server_state servers[256];
+
+  memset(chans, 0, sizeof(chans));
+  memset(servers, 0, sizeof(servers));
+
+  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+
+  while (!is_eof(&inp)) {
+    switch (next_byte(&inp)) {
+      // tickle completion queue
+      case 0: {
+        grpc_event ev = grpc_completion_queue_next(
+            cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+        switch (ev.type) {
+          case GRPC_OP_COMPLETE:
+            abort();
+            break;
+          case GRPC_QUEUE_TIMEOUT:
+            break;
+          case GRPC_QUEUE_SHUTDOWN:
+            abort();
+            break;
+        }
+        break;
+      }
+      // increment global time
+      case 1: {
+        gpr_mu_lock(&g_mu);
+        g_now = gpr_time_add(
+            g_now, gpr_time_from_millis(next_byte(&inp), GPR_TIMESPAN));
+        gpr_mu_unlock(&g_mu);
+        break;
+      }
+      // create an insecure channel
+      case 2: {
+        channel_state *cs = &chans[next_byte(&inp)];
+        if (cs->channel == NULL) {
+          char *target = read_string(&inp);
+          char *target_uri;
+          gpr_asprintf(&target_uri, "fuzz-test:%s", target);
+          grpc_channel_args *args = read_args(&inp);
+          cs->channel = grpc_insecure_channel_create(target_uri, args, NULL);
+          GPR_ASSERT(cs->channel != NULL);
+          grpc_channel_args_destroy(args);
+          gpr_free(target_uri);
+          gpr_free(target);
+        }
+        break;
+      }
+      // destroy a channel
+      case 3: {
+        channel_state *cs = &chans[next_byte(&inp)];
+        if (cs->channel != NULL) {
+          grpc_channel_destroy(cs->channel);
+          cs->channel = NULL;
+        }
+        break;
+      }
+      // bring up a server
+      case 4: {
+        server_state *ss = &servers[next_byte(&inp)];
+        if (ss->server == NULL) {
+          grpc_channel_args *args = read_args(&inp);
+          ss->server = grpc_server_create(args, NULL);
+          GPR_ASSERT(ss->server != NULL);
+          grpc_channel_args_destroy(args);
+          grpc_server_register_completion_queue(ss->server, cq, NULL);
+          grpc_server_start(ss->server);
+        }
+      }
+    }
+  }
+
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(chans); i++) {
+    if (chans[i].channel != NULL) {
+      grpc_channel_destroy(chans[i].channel);
+    }
+  }
+
+  grpc_completion_queue_shutdown(cq);
+  GPR_ASSERT(
+      grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL)
+          .type == GRPC_QUEUE_SHUTDOWN);
+  grpc_completion_queue_destroy(cq);
+
+  grpc_shutdown();
+  gpr_mu_destroy(&g_mu);
+  return 0;
+}
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/empty b/test/core/end2end/fuzzers/api_fuzzer_corpus/empty
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/empty
@@ -0,0 +1 @@
+
diff --git a/tools/fuzzer/runners/api_fuzzer.sh b/tools/fuzzer/runners/api_fuzzer.sh
new file mode 100644
index 0000000..6be0c1e
--- /dev/null
+++ b/tools/fuzzer/runners/api_fuzzer.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+# 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.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=2048"
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/api_fuzzer $flags fuzzer_output test/core/end2end/fuzzers/api_fuzzer_corpus
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index ca409e3..c1d263d 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -65,6 +65,22 @@
   }, 
   {
     "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "api_fuzzer", 
+    "src": [
+      "test/core/end2end/fuzzers/api_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
       "grpc", 
       "grpc_test_util"
     ], 
@@ -3895,6 +3911,23 @@
     ], 
     "headers": [], 
     "language": "c", 
+    "name": "api_fuzzer_one_entry", 
+    "src": [
+      "test/core/end2end/fuzzers/api_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
+    ], 
+    "headers": [], 
+    "language": "c", 
     "name": "client_fuzzer_one_entry", 
     "src": [
       "test/core/end2end/fuzzers/client_fuzzer.c"
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index f8c6586..d9ad342 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -22346,6 +22346,2448 @@
   }, 
   {
     "args": [
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/01f28719f461d0e09499a9a1d40dab6ffaf7513c"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "api_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/03108f73a4908148ddacf8b20d744978a3dbb8e6"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "api_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/048d47eee51a1e6c89119b2bc58ccb755e6e781e"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "api_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/05a5068ccf28276b0142ac8ce464ed5cd1091c2f"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "api_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
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