It was co-written by Joseph Angel, Tramar Dillard, David Quiñones, Sebastian Kole, Michael Warren and Jamahl "GoonRock" Listenbee, who also produced the song.

[5] "Goin' In" was written by Michael Warren, Jamahl Listenbee, Joseph Angel, Sebastian Kole, David Quiñones and Tramar Dillard.

GoonRock produced and later mixed the song alongside Kenny Moran at The House on the Hill Studios in Los Angeles, California.

"[7] "Goin' In" is a song co-written by Joseph Angel, Tramar Dillard, Jamahl "GoonRock" Listenbee, David Quiñones, Sebastian Kole and Michael Warren.

[10] "Goin' In" features an "energetic and entrancing beat" and is built into Flo Rida's "hyper-speed rhyme from Lopez's propulsive verse".

"[11] On the week of August 6, 2012 "Goin' In" reached the top of the Billboard Dance Club/Play Songs, giving Lopez her thirteenth number one on that chart.

[13] Robbie Daw of Idolator claimed that "Goin' In" was "hardest club track we’ve heard from the J.Lo canon in recent years.

"[14] Rick Florino of Artist Direct called "Goin' In" a "summer anthem", saying that it "won't leave your head even long after bikini season has wound down ... Once again, Jennifer Lopez delivers the ultimate global dance song.

Next, she dons a bright pink cape and is surrounded by white wolves, which then cuts to multiple setups of her in various sparkly outfits, popping and locking in front of "Waiting for Tonight"-inspired lasers and alongside an army of dancers.

Eggertsen said: "What should also surprise no one is that the visuals in the video have correspondingly been amped up to 11, as if to distract from the track's failure to connect even as a guilty-pleasure pop confection.

"[21] Emily Exton of Popdust wrote that: "Basically it’s a return to "the block," if said neighborhood’s street lights were replaced with lasers and its fire hydrants unleashed sprays of colorful body paint on groups of party-ready residents.

"[23] Robbie Daw of the website Idolator wrote that people hoping for "booty-shaking by Lopez won’t be disappointed" and that "It looks like J.Lo is all about color in this vid[eo].