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SPIRE

SPIRE Workload API

The SPIRE Agent exposes the SPIFFE Workload API as a Unix domain socket, allowing workloads running on the same node to request their X.509-SVIDs and JWT-SVIDs without requiring any credentials. The Workload API also delivers trust bundle updates so that workloads can verify the identity of other workloads.

Documentation Provider Profile APIs.io AsyncAPI GitHub

SPIRE Workload API is one of 5 APIs that SPIRE publishes on the APIs.io network, described by an AsyncAPI event-driven specification.

Tagged areas include gRPC, Identity, JWT, Workload, and X.509. The published artifact set on APIs.io includes API documentation, an API reference, an AsyncAPI specification, and a GitHub repository.

This event API exposes 5 operations across 5 channels, and defines 12 schemas. It is described by AsyncAPI 2.6.0, at version 1.2.

The API connects through a single server, unix:///tmp/spire-agent/public/api.sock (grpc).

5 operations 5 channels 12 schemas

Metadata

The identity and technical contract details declared by the specification.

Specification
AsyncAPI 2.6.0
API Version
1.2
Server
unix:///tmp/spire-agent/public/api.sock (grpc)
Contact
SPIFFE Community
Resource Areas
1

Channels & Operations 5

Across 5 channels, the API surfaces 5 operations. Each is listed below with its action, channel, parameters, and response codes.

Channels 5
SUB
/spiffe.workload.SpiffeWorkloadAPI/FetchX509SVID
Receive streaming X.509-SVID updates
receiveX509SVIDs body
SUB
/spiffe.workload.SpiffeWorkloadAPI/FetchX509Bundles
Receive streaming X.509 trust bundle updates
receiveX509Bundles body
SUB
/spiffe.workload.SpiffeWorkloadAPI/FetchJWTSVID
Receive a JWT-SVID for a target audience
receiveJWTSVID body
SUB
/spiffe.workload.SpiffeWorkloadAPI/FetchJWTBundles
Receive streaming JWT trust bundle updates
receiveJWTBundles body
SUB
/spiffe.workload.SpiffeWorkloadAPI/ValidateJWTSVID
Receive JWT-SVID validation result
receiveJWTValidationResult body

Messages & Schemas 12

The contract defines 12 schemas that model the data carried by its messages. The most detailed are X509SVID (5 properties), JWTSVID (4 properties), X509SVIDResponse (2 properties), ValidateJWTSVIDResponse (2 properties). Each schema is shown below with its type and property counts.

X509SVIDResponse
message
Batch of X.509-SVIDs and trust bundles for the workload
X509BundlesResponse
message
Complete set of X.509 trust bundles
JWTSVIDResponse
message
JWT-SVIDs for the requested audience
JWTBundlesResponse
message
JWT trust bundles for all trust domains
ValidateJWTSVIDResponse
message
Result of JWT-SVID validation
X509SVID
object
An X.509-SVID issued by SPIRE containing the DER-encoded certificate chain, private key, and the trust bundle for the issuing trust domain.
5 properties 4 required
X509SVIDResponse
object
Streaming response containing all X.509-SVIDs and federated trust bundles
2 properties 1 required
X509BundlesResponse
object
Streaming response containing X.509 trust bundles for all trust domains
1 property 1 required
JWTSVID
object
A JWT-SVID issued by SPIRE as a signed JSON Web Token
4 properties 2 required
JWTSVIDResponse
object
Response containing JWT-SVIDs for the requested audience
1 property 1 required
JWTBundlesResponse
object
Streaming response containing JWT trust bundles (JWKS) for all trust domains
1 property 1 required
ValidateJWTSVIDResponse
object
Result of JWT-SVID validation performed by the SPIRE Agent
2 properties 1 required

Specification

The full machine-readable AsyncAPI contract behind this narrative.

Source

spire-workload-asyncapi.yml Raw ↑

Other APIs SPIRE publishes across the network.

SPIRE Server API
AE Profile APIs.io
SPIRE Discovery API
AE Profile APIs.io
SPIRE Health API
AE Profile APIs.io
SPIRE Keys API
AE Profile APIs.io
#gRPC#Identity#JWT#Workload#X.509
← Back to S APIs
API Details
ID
spire:spire-workload-api
Server
unix:///tmp/spire-agent/public/api.sock (grpc)
Docs
https://spiffe.io/docs/latest/spire-about/spire-concepts/
Provider
SPIRE
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