generated: '2026-09-17'
method: searched
source: >-
  openapi/celestia-node-api-openrpc.json,
  well-known/celestia-api-catalog.json,
  well-known/celestia-agent-skills-index.json,
  https://docs.celestia.org/llms.txt,
  https://docs.celestia.org/llms-full.txt
description: >-
  Cross-cutting and domain standards the Celestia Node API surface actually conforms to,
  each with the evidence that establishes it. Celestia conforms to none of the usual
  enterprise API standards — no OAuth 2, no OIDC, no SCIM, no OData, no RFC 9457 — and that
  is the correct answer for a JSON-RPC protocol node rather than a gap. What it does conform
  to, and unusually well, is the machine-discoverability layer: RFC 9727, llms.txt and the
  agentskills.io discovery schema are all served for real.
conformance:
- id: json-rpc-2.0
  name: JSON-RPC 2.0
  conforms: true
  evidence: >-
    Every method in openrpc-v0.31.4.json is invoked as a JSON-RPC 2.0 envelope POSTed to the
    node root; request and response examples throughout docs.celestia.org carry
    "jsonrpc":"2.0".
- id: openrpc
  name: OpenRPC 1.2.6
  conforms: true
  evidence: >-
    openapi/celestia-node-api-openrpc.json declares "openrpc":"1.2.6" and describes 80
    methods across nine modules with params, result and example values.
- id: rfc9727
  name: RFC 9727 API Catalog
  conforms: true
  evidence: >-
    https://docs.celestia.org/.well-known/api-catalog returns 200 with a valid linkset
    carrying anchor, service-desc, service-doc, describedby, status and source-code
    relations. Saved verbatim at well-known/celestia-api-catalog.json.
- id: rfc8615
  name: RFC 8615 well-known URIs
  conforms: true
  evidence: >-
    Serves /.well-known/api-catalog and /.well-known/agent-skills/index.json. Does NOT serve
    security.txt, openid-configuration, oauth-authorization-server or an agent card on any
    host probed.
- id: llms-txt
  name: llms.txt
  conforms: true
  evidence: >-
    https://docs.celestia.org/llms.txt (200, 7,451 bytes) and https://celestia.org/llms.txt
    (200, 4,083 bytes), plus section indexes at /build/llms.txt, /learn/llms.txt and
    /operate/llms.txt, and a 400 KB /llms-full.txt single-file context snapshot.
- id: agentskills-discovery-0.2.0
  name: agentskills.io discovery 0.2.0
  conforms: true
  evidence: >-
    https://docs.celestia.org/.well-known/agent-skills/index.json declares
    "$schema":"https://schemas.agentskills.io/discovery/0.2.0/schema.json" and one skill-md
    entry whose sha256 digest matches the served SKILL.md byte for byte (verified
    2026-09-17).
- id: oauth2
  name: OAuth 2.0
  conforms: false
  evidence: >-
    The only scheme in the contract is an HTTP bearer token minted by the local `celestia
    auth` CLI. No authorization server, no token endpoint, no scopes, and
    /.well-known/oauth-authorization-server 404s on every host.
- id: oidc
  name: OpenID Connect
  conforms: false
  evidence: /.well-known/openid-configuration returns 404 on every Celestia host probed.
- id: rfc9457
  name: RFC 9457 Problem Details
  conforms: false
  evidence: >-
    Errors are JSON-RPC error objects, not application/problem+json. The OpenRPC declares
    zero errors[] entries across all 80 methods.
- id: rfc8594
  name: RFC 8594 Sunset header
  conforms: false
  evidence: >-
    No Sunset or Deprecation header contract is published. Deprecation is expressed as
    deprecated:true inside the OpenRPC and as prose in release notes.
- id: idempotency
  name: Idempotency keys
  conforms: false
  evidence: >-
    No Idempotency-Key header or replay window anywhere in the contract or the docs. See
    conventions/celestia-conventions.yml.
- id: pagination
  name: Standard pagination
  conforms: false
  evidence: >-
    No paginated collections. Ranges are explicit caller-supplied bounds
    (header.GetRangeByHeight, share.GetRange).
domain_standards:
- id: modular-da-interface
  name: Modular Data Availability interface
  conforms: true
  deprecated: true
  evidence: >-
    The da.* module in openrpc-v0.31.4.json (da.Submit, da.Get, da.GetIDs, da.GetProofs,
    da.Commit, da.Validate, da.MaxBlobSize, da.SubmitWithOptions) is celestia-node's
    implementation of the generic DA interface consumed by Rollkit, Optimism Alt-DA and
    Arbitrum Nitro DAS — an integrator who already speaks that interface needs no
    Celestia-specific connector. All eight methods now carry deprecated:true in the
    provider's own contract, so conformance is real but on a retiring surface.
- id: cosmos-sdk
  name: Cosmos SDK / CometBFT consensus interfaces
  conforms: true
  evidence: >-
    celestia-app is a Cosmos SDK application over a CometBFT fork (celestia-core), exposing
    the standard Cosmos gRPC (:9090), REST (:1317) and CometBFT RPC (:26657) surfaces, and
    the celestia-appd CLI carries the standard keys/query/tx command tree. Documented at
    https://docs.celestia.org/build/rpc/clients.md.
- id: ibc
  name: IBC (Inter-Blockchain Communication)
  conforms: true
  evidence: >-
    https://docs.celestia.org/learn/features/bridging/ibc.md names IBC as one of the two
    supported cross-chain standards on Celestia, alongside Hyperlane.
- id: libp2p
  name: libp2p peer addressing and pubsub
  conforms: true
  evidence: >-
    The p2p module's 22 methods are libp2p peer, connection, NAT, bandwidth and pubsub
    control, and node identity is a libp2p peer ID used in standard multiaddrs.
regulatory:
  regime: none
  note: >-
    Celestia is public permissionless infrastructure with no customer accounts, no
    personal data processing under contract and no financial-services licensing claim.
    No regulatory regime applies and none is asserted.
compliance_published: false
compliance_note: >-
  No SOC 2, ISO 27001, PCI DSS, HIPAA or FedRAMP attestation is published, so no Compliance
  pointer is emitted for this record. The published assurance evidence is the twelve
  third-party security audits catalogued in security/celestia-trust-center.yml.