API Documentation

Overview

• Public subgraph endpoint for querying KaiSign contract specifications and blob metadata

• No API key required

• Supports EIP-4844 blob metadata retrieval

API Endpoint

https://api.studio.thegraph.com/query/117022/kaisign-subgraph/version/latest

Available Fields for Spec Entity

• id: Unique identifier

• user: Creator address

• blobHash: Blob hash containing metadata

• targetContract: Contract address

• chainID: Blockchain chain ID

• blockTimestamp: Creation timestamp

• status: PROPOSED, SUBMITTED, FINALIZED, REJECTED

Query Examples

Get All Specs

curl -X POST \
  -H "Content-Type: application/json" \
  -d '{"query":"{ specs(first: 10) { id user blobHash targetContract chainID blockTimestamp status } }"}' \
  "https://api.studio.thegraph.com/query/117022/kaisign-subgraph/version/latest"

Get Specs by Contract Address

curl -X POST \
  -H "Content-Type: application/json" \
  -d '{"query":"{ specs(where: {targetContract: \"0x4dFEA0C2B472a14cD052a8f9DF9f19fa5CF03719\"}) { blobHash targetContract status } }"}' \
  "https://api.studio.thegraph.com/query/117022/kaisign-subgraph/version/latest"

Blob Data Access Methods

1. Blobscan Web Interface: https://sepolia.blobscan.com/blob/[blobHash]

2. Swarm Gateway: https://api.gateway.ethswarm.org/bzz/[swarmReference]

3. API Metadata: https://api.sepolia.blobscan.com/blobs/[blobHash]

External Resources

• The Graph GraphQL API Documentation