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diff --git a/src/core/lib/compression/stream_compression.h b/src/core/lib/compression/stream_compression.h
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+++ b/src/core/lib/compression/stream_compression.h
@@ -0,0 +1,90 @@
+/*
+ *
+ * Copyright 2017 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_COMPRESSION_STREAM_COMPRESSION_H
+#define GRPC_CORE_LIB_COMPRESSION_STREAM_COMPRESSION_H
+
+#include <stdbool.h>
+
+#include <grpc/slice_buffer.h>
+#include <zlib.h>
+
+/* Stream compression/decompression context */
+typedef struct grpc_stream_compression_context {
+  z_stream zs;
+  int (*flate)(z_stream *zs, int flush);
+} grpc_stream_compression_context;
+
+typedef enum grpc_stream_compression_method {
+  GRPC_STREAM_COMPRESSION_COMPRESS = 0,
+  GRPC_STREAM_COMPRESSION_DECOMPRESS,
+  GRPC_STREAM_COMPRESSION_METHOD_COUNT
+} grpc_stream_compression_method;
+
+typedef enum grpc_stream_compression_flush {
+  GRPC_STREAM_COMPRESSION_FLUSH_NONE = 0,
+  GRPC_STREAM_COMPRESSION_FLUSH_SYNC,
+  GRPC_STREAM_COMPRESSION_FLUSH_FINISH,
+  GRPC_STREAM_COMPRESSION_FLUSH_COUNT
+} grpc_stream_compression_flush;
+
+/**
+ * Compress bytes provided in \a in with a given context, with an optional flush
+ * at the end of compression. Emits at most \a max_output_size compressed bytes
+ * into \a out. If all the bytes in input buffer \a in are depleted and \a flush
+ * is not GRPC_STREAM_COMPRESSION_FLUSH_NONE, the corresponding flush method is
+ * executed. The total number of bytes emitted is outputed in \a output_size.
+ *
+ * A SYNC flush indicates that the entire messages in \a in can be decompressed
+ * from \a out. A FINISH flush implies a SYNC flush, and that any further
+ * compression will not be dependent on the state of the current context and any
+ * previous compressed bytes. It allows corresponding decompression context to
+ * be dropped when reaching this boundary.
+ */
+bool grpc_stream_compress(grpc_stream_compression_context *ctx,
+                          grpc_slice_buffer *in, grpc_slice_buffer *out,
+                          size_t *output_size, size_t max_output_size,
+                          grpc_stream_compression_flush flush);
+
+/**
+ * Decompress bytes provided in \a in with a given context. Emits at most \a
+ * max_output_size decompressed bytes into \a out. If decompression process
+ * reached the end of a gzip stream, \a end_of_context is set to true; otherwise
+ * it is set to false. The total number of bytes emitted is outputed in \a
+ * output_size.
+ */
+bool grpc_stream_decompress(grpc_stream_compression_context *ctx,
+                            grpc_slice_buffer *in, grpc_slice_buffer *out,
+                            size_t *output_size, size_t max_output_size,
+                            bool *end_of_context);
+
+/**
+ * Creates a stream compression context. \a pending_bytes_buffer is the input
+ * buffer for compression/decompression operations. \a method specifies whether
+ * the context is for compression or decompression.
+ */
+grpc_stream_compression_context *grpc_stream_compression_context_create(
+    grpc_stream_compression_method method);
+
+/**
+ * Destroys a stream compression context.
+ */
+void grpc_stream_compression_context_destroy(
+    grpc_stream_compression_context *ctx);
+
+#endif