> For the complete documentation index, see [llms.txt](https://docs.simulacrum.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.simulacrum.network/fair-witness-api.md).

# Fair Witness API

The offchain API provides a way for builders to fetch [Existential Attestation](/existential-attestation.md) in the format necessary to be pushed onchain. The ApI can be accessed via [https://fairwitness.empyrealsdk.com](https://fairwitness.empyrealsdk.com/)/

{% openapi src="/files/irI1tj6CM7R2BFGvxyWY" path="/user" method="post" %}
[openapi.json](https://3147612106-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRTDiCNWNhWcdy6MJQR2X%2Fuploads%2FEluP1CMIjVqnPA5gkGA2%2Fopenapi.json?alt=media\&token=4bec0bf9-8079-496c-945a-49661f4bd5a5)
{% endopenapi %}

{% openapi src="/files/irI1tj6CM7R2BFGvxyWY" path="/tweet" method="post" %}
[openapi.json](https://3147612106-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRTDiCNWNhWcdy6MJQR2X%2Fuploads%2FEluP1CMIjVqnPA5gkGA2%2Fopenapi.json?alt=media\&token=4bec0bf9-8079-496c-945a-49661f4bd5a5)
{% endopenapi %}