diff --git a/CHANGELOG.md b/CHANGELOG.md
index fabc22aec..65a128a50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3588,6 +3588,28 @@ This release closes the following issue:
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+
+#### [@stdlib/math/base/special/fresnel](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/fresnel)
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+
+
+##### Features
+
+- [`f2f6164`](https://github.com/stdlib-js/stdlib/commit/f2f6164bcb23e3f0babda8fc651d2b3bc91be599) - add C implementation for `math/base/special/fresnel`
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#### [@stdlib/math/base/special/fresnelc](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/fresnelc)
@@ -5707,6 +5729,7 @@ A total of 30 people contributed to this release. Thank you to the following con
+- [`f2f6164`](https://github.com/stdlib-js/stdlib/commit/f2f6164bcb23e3f0babda8fc651d2b3bc91be599) - **feat:** add C implementation for `math/base/special/fresnel` _(by Gunj Joshi, Philipp Burckhardt)_
- [`62e247d`](https://github.com/stdlib-js/stdlib/commit/62e247daf7eb45f201cad1784619a344cbdcaff6) - **feat:** add C implementation for `math/base/special/powm1` [(#2660)](https://github.com/stdlib-js/stdlib/pull/2660) _(by Gunj Joshi)_
- [`f5d15f7`](https://github.com/stdlib-js/stdlib/commit/f5d15f7e0d12169f3016f1d499674b0ce9b2e0ea) - **feat:** add C implementation for `math/base/special/sincospi` [(#2687)](https://github.com/stdlib-js/stdlib/pull/2687 ) _(by Gunj Joshi)_
- [`3fa6956`](https://github.com/stdlib-js/stdlib/commit/3fa69566a55e9cbb28650eea285d90a73b06db36) - **bench:** fix makefile to allow for dependency resolution _(by Athan Reines)_
diff --git a/base/special/fresnel/README.md b/base/special/fresnel/README.md
index eb95d1300..cebc9b0b6 100644
--- a/base/special/fresnel/README.md
+++ b/base/special/fresnel/README.md
@@ -116,6 +116,96 @@ for ( i = 0; i < x.length; i++ ) {
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+* * *
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+
+## C APIs
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+
+### Usage
+
+```c
+#include "stdlib/math/base/special/fresnel.h"
+```
+
+#### stdlib_base_fresnel( x, &S, &C )
+
+Simultaneously computes the [Fresnel integrals][fresnel-integral] S(x) and C(x).
+
+```c
+double S;
+double C;
+
+stdlib_base_fresnel( 4.0, &S, &C );
+```
+
+The function accepts the following arguments:
+
+- **x**: `[in] double` input value.
+- **S**: `[out] double*` destination for S(x).
+- **C**: `[out] double*` destination for C(x).
+
+```c
+void stdlib_base_fresnel( const double x, double *S, double *C );
+```
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+### Examples
+
+```c
+#include "stdlib/math/base/special/fresnel.h"
+#include
+
+int main( void ) {
+ const double x[] = { 0.0, 1.57, 3.14, 6.28 };
+
+ double S;
+ double C;
+ int i;
+ for ( i = 0; i < 4; i++ ) {
+ stdlib_base_fresnel( x[ i ], &S, &C );
+ printf( "x: %lf => S(x): %lf, C(x): %lf\n", x[ i ], S, C );
+ }
+}
+```
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