Purpose: Few caregiver-implemented naturalistic language interventions (NLIs) are available for Spanish-speaking Latinos who have young children under 3 years with language delays, and there is a scarcity of studies that provide information about intervention development or social validity of interventions for this group. This study introduces Video- and App-Based Language Instruction (VALI) as a technology-based caregiver-coaching intervention being developed to increase caregivers' use of Spanish language-promoting strategies in everyday activities with their infants and toddlers. Method: Fifteen participants including caregivers, speech-language pathologists, and researchers completed an online survey and participated in focus groups to share their perspectives on the feasibility, acceptability, and usefulness of the first iteration of VALI. Data were summarized with descriptive statistics and thematic analysis. Results: Participants generally provided support for VALI and thought caregivers could use the technology-based intervention within naturalistic interactions. VALI materials received positive ratings for appearance, inclusivity, and understandability. Specific suggestions were provided for semantic and syntactic adjustments. Participants shared comments to improve individual VALI strategies and help ensure the asynchronous coaching procedures and targeted outcomes were culturally acceptable. Conclusions: The first iteration of VALI appears to be a promising NLI for use by Spanish-speaking Latino caregivers with their young children. After initial adaptations are made based on findings from this study, additional feasibility and efficacy evaluations should be conducted. Recommendations for further development of VALI have implications for application in similar interventions for Spanish-speaking Latino caregivers.