Authenticate requests using API keys.
curl -X POST https://api.definitiv.io/graphql \ -H "Content-Type: application/json" \ -H "x-api-key: pk_your_api_key_here" \ -d '{"query": "{ ... }"}'
curl -X POST https://api.definitiv.io/graphql \ -H "Content-Type: application/json" \ -H "Authorization: Bearer pk_your_api_key_here" \ -d '{"query": "{ ... }"}'
pk_
pk_a1b2c3d4e5f6...
{ "errors": [ { "message": "Missing API key. Provide via x-api-key header or Authorization: Bearer <key>." } ] }