Carter signed with WWE in July 2018. As Lacey Lane, she took part in that year's Mae Young Classic, defeating Vanessa Kraven in the first round and Taynara Conti in the second round before being defeated by Meiko Satomura in the quarterfinals. In September 2019, Lane's ring name was changed to Kayden Carter.
On the January 29, 2020 episode of NXT, Carter had her first victory on television, defeating Chelsea Green. She was defeated in their rematch on the February 19 episode of NXT. On the September 16 episode of NXT, Carter teamed with Kacy Catanzaro in a winning effort against Jessi Kamea and Xia Li. The following week, she competed in a battle royal to determine the number one contender for the NXT Women's Championship, but was eliminated by Raquel González. On the September 30 episode of NXT, Carter fought with Li and defeated her, offering a hand after the match but was pushed to the mat instead.
Carter and Catanzaro took part in the 2021 women's Dusty Rhodes Tag Team Classic tournament, defeating Mercedes Martinez and Toni Storm in the quarterfinals, but were beaten by Dakota Kai and Raquel González in the semifinals. They would then feud with Xia Li after constantly being attacked by her throughout the following weeks. On the March 10 episode of NXT, Carter lost to Li by disqualification after Catanzaro hit the latter with a crutch. They would lose to Li in a handicap match on the March 31 episode of NXT, with Carter being knocked out on the ramp by Tian Sha's Mei Ying. Carter and Catanzaro announced on the May 4 episode of NXT that they decided to leave Li alone. On the July 27 episode of NXT, they defeated Franky Monet and Jessi Kamea. On the August 24 episode of NXT, after defeating Gigi Dolin and Jacy Jayne, Carter and Catanzaro announced that they were going after the NXT Women's Tag Team Championship. They got their chance on the following week's episode, losing to champions Io Shirai and Zoey Stark. Catanzaro and Carter entered the 2022 women's Dusty Rhodes Tag Team Classic, where they defeated Diamond Mine's Ivy Nile and Tatum Paxley in the first round, but lost to Kay Lee Ray and Io Shirai in the semifinals. After defeating Yulisa Leon and Valentina Feroz on the April 26 episode of NXT, Chance and Carter pursued the NXT Women's Tag Team Championships, where they failed to win the titles at NXT In Your House from Toxic Attraction. After losing, Chance and Carter began a slow heel turn where they failed to become number one contenders for the NXT Women's Tag Team Championships, which they lost on the June 28 episode of NXT to Cora Jade and Roxanne Perez.
Carter and Catanzaro, now going by the name Katana Chance, won the vacant NXT Women's Tag Team Championships in a fatal four-way elimination match, lastly eliminating Toxic Attraction, on the August 2 episode of NXT. They defended their titles against Doudrop and Nikki A.S.H. at Worlds Collide, and Nikkita Lyons and Zoey Stark on the October 25 episode and the November 8 episode of NXT. On January 8, Chance and Carter became the longest reigning NXT Women's Tag Team Champions. On the January 24 episode of NXT, they retained against Alba Fyre and Sol Ruca. At NXT Vengeance Day, Chance and Carter lost the NXT Women's Tag Team Championship to Fallon Henley and Kiana James, ending the historic reign at 186 days.
As part of the 2023 WWE Draft, Carter, along with Chance, was drafted to the Raw brand. Chance and Carter made their main roster debut on the June 5 episode of Raw, in a losing effort against the WWE Women's Tag Team Champions Ronda Rousey and Shayna Baszler. On the December 11 episode of Raw, it was announced that Carter and Chance became the new number one contenders for the WWE Women’s Tag Team Championships and would challenge Chelsea Green and Piper Niven for the titles. On the December 18 episode of Raw, Carter and Chance defeated Green and Niven to become the new WWE Women's Tag Team Champions and the first women's tag team to have won the WWE and NXT Women's Tag Team Championships. Chance and Carter had their first successful title defense on the January 8, 2024 episode of Raw, where they defeated Green and Niven in a rematch. On the January 26 episode of SmackDown, they lost the titles to Damage Control's Kabuki Warriors (Asuka and Kairi Sane), ending their reign at 39 days.