# Fly Io TLS Certificates API

**Canonical:** https://apis.io/apis/fly-io/fly-io-tls-certificates-api/  
**Provider:** Fly Io — https://apis.io/providers/fly-io/  
**Base URL:** https://api.machines.dev  
**Documentation:** https://fly.io/docs/machines/api/

Fly Io TLS Certificates API is one of 14 APIs that [Fly Io](https://apis.io/providers/fly-io/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include TLS Certificates. The published artifact set on APIs.io includes an OpenAPI specification.

This site hosts documentation generated from the Fly.io Machines API OpenAPI specification. Visit our complete [Machines API docs](https://fly.io/docs/machines/api/certificates-resource/) for details about using the TLS Certificates resource.

## Operations (8)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/apps/{app_name}/certificates` | List certificates for app |
| POST | `/v1/apps/{app_name}/certificates/acme` | Request ACME certificate |
| POST | `/v1/apps/{app_name}/certificates/custom` | Upload custom certificate |
| GET | `/v1/apps/{app_name}/certificates/{hostname}` | Get certificate details |
| DELETE | `/v1/apps/{app_name}/certificates/{hostname}` | Remove certificate |
| DELETE | `/v1/apps/{app_name}/certificates/{hostname}/acme` | Remove ACME certificates |
| POST | `/v1/apps/{app_name}/certificates/{hostname}/check` | Check DNS and re-validate certificate |
| DELETE | `/v1/apps/{app_name}/certificates/{hostname}/custom` | Remove custom certificate |

## Machine-readable artifacts (1)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/fly-io/refs/heads/main/openapi/fly-io-tls-certificates-api-openapi.yml

## Other Fly Io APIs (12)

- [Fly.io Machines API](https://apis.io/apis/fly-io/machines-api/)
- [Fly.io GraphQL API](https://apis.io/apis/fly-io/graphql-api/)
- [Fly.io Extensions API](https://apis.io/apis/fly-io/extensions-api/)
- [fly-io Apps API](https://apis.io/apis/fly-io/fly-io-apps-api/)
- [fly-io SSO API](https://apis.io/apis/fly-io/fly-io-sso-api/)
- [fly-io Tokens API](https://apis.io/apis/fly-io/fly-io-tokens-api/)
- [fly-io Volumes API](https://apis.io/apis/fly-io/fly-io-volumes-api/)
- [fly-io Webhooks API](https://apis.io/apis/fly-io/fly-io-webhooks-api/)
- [Fly Io O Auth API](https://apis.io/apis/fly-io/fly-io-oauth-api/)
- [Fly Io Organizations API](https://apis.io/apis/fly-io/fly-io-organizations-api/)
- [Fly Io Platform API](https://apis.io/apis/fly-io/fly-io-platform-api/)
- [Fly Io Postgres Clusters API](https://apis.io/apis/fly-io/fly-io-postgres-clusters-api/)

## Tags

TLS Certificates

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/fly-io/fly-io-tls-certificates-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/fly-io/.