# API Service Libraries

On the following pages are examples for how to work with each of the API services.

The response from each API endpoint is mapped in `@quadrata/sdk/types` under the `API.DTO` namespace.

The parameters and parsed responses for each service are mapped in `@quadrata/sdk/types` under the `API.Services` namespace.

* [Create Access Token](/integration/how-to-integrate/quadrata-sdk/advanced/api-libraries/api-service-libraries/create-access-token.md) - Create a JWT authentication token for use in the onboarding client components and other API services.
* [Create Privacy Access Token](/integration/how-to-integrate/quadrata-sdk/advanced/api-libraries/api-service-libraries/create-privacy-access-token.md) - Create a Privacy Access Token to access PII data for an individual or business. This feature must be enabled for your dApp.
* [Fetch Attribute Values](/integration/how-to-integrate/quadrata-sdk/advanced/api-libraries/api-service-libraries/fetch-attribute-values.md) - Fetch underlying attribute values for a given wallet address. This is an attribute query and incurs Quad Unit charges.
* [Fetch Onboard Status](/integration/how-to-integrate/quadrata-sdk/advanced/api-libraries/api-service-libraries/fetch-onboard-status.md) - Fetch attribute status and PII consent data for a wallet address, to determine if attributes need to be claimed or privacy needs to be consented.
* [Fetch Passport List ](/integration/how-to-integrate/quadrata-sdk/advanced/api-libraries/api-service-libraries/fetch-passport-list.md)- Fetch, filter, and paginate through passports onboarded by your dApp.
* [Fetch Privacy Data](/integration/how-to-integrate/quadrata-sdk/advanced/api-libraries/api-service-libraries/fetch-privacy-data.md) - Fetch underlying PII for an individual or business by a known wallet address. This is a privacy data query and incurs Quad Unit charges. This feature must be enabled for your dApp.
* [Fetch Privacy Grants](/integration/how-to-integrate/quadrata-sdk/advanced/api-libraries/api-service-libraries/fetch-privacy-grants.md) - Fetch which privacy data has been granted consent to your dApp by a known wallet address. This feature must be enabled for your dApp.
* [Fetch Wallet Screening](/integration/how-to-integrate/quadrata-sdk/advanced/api-libraries/api-service-libraries/fetch-wallet-screening.md) - Fetch the on-chain wallet screening score for a wallet address. This is an attribute query and incurs Quad Unit charges. This feature must be enabled for your dApp.
* [Revoke Privacy Grants ](/integration/how-to-integrate/quadrata-sdk/advanced/api-libraries/api-service-libraries/revoke-privacy-grants.md)- Revoke previously consented privacy grants from a wallet address. This feature must be enabled for your dApp.


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