# Luther Platform Protobuf Contracts

**Canonical:** https://apis.io/apis/luthersystems-com/luther-platform-protobuf/  
**Provider:** Luther Systems — https://apis.io/providers/luthersystems-com/  
**Documentation:** https://github.com/luthersystems/protos

Luther Platform Protobuf Contracts is one of 6 APIs that [Luther Systems](https://apis.io/providers/luthersystems-com/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Protobuf, gRPC, Process Automation, and Enterprise Automation. The published artifact set on APIs.io includes API documentation, a getting-started guide, and authentication docs.

Buf-managed Protocol Buffers published at github.com/luthersystems/protos (module buf.build/luthersystems/protos) that define API contracts and shared messages across the Luther Enterprise platform: the pdfserv.v1 PDFService gRPC service (rpc Generate), healthcheck.v1, common.v1 exceptions, a sensitive-field annotation, and 80 ConnectorHub connector configuration schemas (Salesforce, SAP S/4HANA, Stripe, Postgres, Kafka, DocuSign, Equifax, Anthropic Claude ...). The platform is customer-deployed (public cloud, private cloud or on-premise) and exposes business logic through the shiroclient JSON-RPC gateway and grpc-gateway-transcoded middleware, so no public base URL exists; the sandbox starter kit shows the pattern with a SandboxService and a generated Swagger 2.0. Complemented by Go SDKs, the shirotester CLI and the Substrate Agent Skill.

## Machine-readable artifacts (15)

- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/grpc/luthersystems-protos/pdfserv/v1/service.proto
- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/grpc/luthersystems-protos/pdfserv/v1/pdfserv.proto
- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/grpc/luthersystems-protos/healthcheck/v1/healthcheck.proto
- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/grpc/luthersystems-protos/common/v1/exception.proto
- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/grpc/luthersystems-protos/connectorhub/connectors/v1/connector_common.proto
- **Protobuf** — https://github.com/luthersystems/protos
- **Documentation** — https://docs.luthersystems.com/
- **GettingStarted** — https://github.com/luthersystems/docs/blob/main/common-operation-script/quickstart/README.md
- **SDKs** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/packages/luthersystems-com-packages.yml
- **CLI** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/cli/luthersystems-com-cli.yml
- **AgentSkill** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/skills/luthersystems-com-substrate-SKILL.md
- **AgentSkill** — https://github.com/luthersystems/substrate-agent-skills/blob/main/SKILL.md
- **LLMsTxt** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/llms/luthersystems-com-substrate-llms.txt
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/luthersystems-com/refs/heads/main/authentication/luthersystems-com-authentication.yml
- **SourceCode** — https://github.com/luthersystems/sandbox

## Other Luther Systems APIs (5)

- [AgentSearch HTTP API](https://apis.io/apis/luthersystems-com/agentsearch-api/)
- [AgentSearch MCP Server](https://apis.io/apis/luthersystems-com/agentsearch-mcp/)
- [AgentSearch A2A Agent](https://apis.io/apis/luthersystems-com/agentsearch-a2a-agent/)
- [InsideOut (Riley) MCP Server](https://apis.io/apis/luthersystems-com/insideout-mcp/)
- [InsideOut A2A Agent](https://apis.io/apis/luthersystems-com/insideout-a2a-agent/)

## Tags

Protobuf, gRPC, Process Automation, Enterprise Automation

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