Final answer:
Developers should visit the Pinterest Developer Portal to access documentation for implementing the Pinterest API. The portal offers comprehensive guides, API references, and other essential resources.
Step-by-step explanation:
To access technical documentation about how to implement the Pinterest API, you should visit the Pinterest Developer Portal. This specialized portal provides developers with access to comprehensive guides, API references, and other resources necessary for integrating with Pinterest's platform. The portal also offers information about application registration, authentication, and API rate limits, making it a vital tool for developers looking to leverage Pinterest functionality within their own applications or services.