terraform aws_acm_certificate_validation.cert_api: Still creating... [4m21s elapsed] until timeout

Question

The ACM Certificate Validation never completes, it times out after about 45 mins, looking at the AWS Hosted Zone for the domain, it has a cname record. It never reaches the create the Api Gateway Domain section.

main.tf

resource "aws_acm_certificate" "cert_api" {
  domain_name       = var.api_domain
  validation_method = "DNS"

  tags = {
    Name = var.api_domain
  }
}

resource "aws_acm_certificate_validation" "cert_api" {
  certificate_arn         = aws_acm_certificate.cert_api.arn
  validation_record_fqdns = aws_route53_record.cert_api_validations.*.fqdn
}


resource "aws_route53_zone" "api" {
  name = var.api_domain
}

resource "aws_route53_record" "cert_api_validations" {
  allow_overwrite = true
  count           = length(aws_acm_certificate.cert_api.domain_validation_options)

  zone_id = aws_route53_zone.api.zone_id
  name    = element(aws_acm_certificate.cert_api.domain_validation_options.*.resource_record_name, count.index)
  type    = element(aws_acm_certificate.cert_api.domain_validation_options.*.resource_record_type, count.index)
  records = [element(aws_acm_certificate.cert_api.domain_validation_options.*.resource_record_value, count.index)]
  ttl     = 60
}

resource "aws_route53_record" "api-a" {
  name    = aws_apigatewayv2_domain_name.api.domain_name
  type    = "A"
  zone_id = aws_route53_zone.api.zone_id

  alias {
    name                   = aws_apigatewayv2_domain_name.api.domain_name_configuration[0].target_domain_name
    zone_id                = aws_apigatewayv2_domain_name.api.domain_name_configuration[0].hosted_zone_id
    evaluate_target_health = false
  }
}

resource "aws_apigatewayv2_domain_name" "api" {
  domain_name = var.api_domain

  domain_name_configuration {
    certificate_arn = aws_acm_certificate.cert_api.arn
    endpoint_type   = "REGIONAL"
    security_policy = "TLS_1_2"
  }
}