New King James Version
So God, who knows the heart, acknowledged them by giving them the Holy Spirit, just as He did to us,

King James Bible
And God, which knoweth the hearts, bare them witness, giving them the Holy Ghost, even as he did unto us;

American Standard Version
And God, who knoweth the heart, bare them witness, giving them the Holy Spirit, even as he did unto us;

Berean Study Bible
And God, who knows the heart, showed His approval by giving the Holy Spirit to them, just as He did to us.

Douay-Rheims Bible
And God, who knoweth the hearts, gave testimony, giving unto them the Holy Ghost, as well as to us;

English Revised Version
And God, which knoweth the heart, bare them witness, giving them the Holy Ghost, even as he did unto us;

World English Bible
God, who knows the heart, testified about them, giving them the Holy Spirit, just like he did to us.

Young's Literal Translation
and the heart-knowing God did bare them testimony, having given to them the Holy Spirit, even as also to us,

Acts 15:8 Additional Translations ...