We have just released support for POST request in our Person Enrichment API. See an example here: https://docs.peopledatalabs.com/docs/examples-person-enrichment-api#using-post-requests

Support for POST requests was added to our Person and Company Search APIs, allowing users to send large queries within their API requests.

See example requests here for Person Search: https://docs.peopledatalabs.com/docs/search-api#using-post-requests

See example request here for Company Search: https://docs.peopledatalabs.com/docs/company-search-api#using-post-requests