Hookline Validator catalog

Validator catalog

Every payload format Hookline can validate, grouped by domain. Point traffic at an endpoint and Hookline checks it against these rules.

Event infrastructure

CloudEvents 1.0beta Validates CloudEvents 1.0 in both binding modes — structured (JSON body) and binary (ce-* headers) — checking required attributes, spec version, time format, and content-type consistency. 9 rules Standard Webhooksbeta Verifies webhooks that follow the Standard Webhooks convention — required headers, timestamp freshness, and opt-in HMAC signature checking. 5 rules

Identity & security

SSF / CAEPbeta Validates Security Event Tokens for Shared Signals — CAEP, RISC, and SCIM events — checking JWT structure, required claims, subject identifiers, known event types, and opt-in signature verification. 11 rules

EV charging

OCPIbeta Validates Open Charge Point Interface messages for EV roaming — response envelopes, routing headers, per-module object schemas (Sessions, CDRs, Tokens, Tariffs, Commands, Locations), session state transitions, CDR arithmetic, and session-to-CDR pairing across versions 2.2.1 and 2.3.0. 14 rules OCPP-Jbeta Validates Open Charge Point Protocol JSON frames over WebSocket — CALL/CALLRESULT/CALLERROR structure, per-action request and response schemas, RPC message-id pairing per connection, call timeouts, error codes, boot ordering, and 2.0.1 TransactionEvent lifecycle across versions 1.6J and 2.0.1. 8 rules

AdTech

OpenRTB 2.5 / 2.6stable Structural and semantic checks for OpenRTB bid requests and bid responses, including supply-chain and privacy-signal consistency. 75 rules VASTbeta Validates VAST video ad creatives (2.0–4.3) — XML structure, required nodes, media files, tracking, and consistency with the OpenRTB video impression when paired. 11 rules

iGaming

iGaming Walletstable Consistency checks for wallet integration messages — bets, wins, and rollbacks — covering amounts, currencies, transaction references, and duplicates. 18 rules

Generic

Generic JSONstable Baseline structural checks for any JSON payload, with optional user-supplied JSON Schema validation. A starting point when no domain profile applies. 4 rules