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Busbar Admin API
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Schema
Filter operations
get
/api/v1/admin/admin-auth
Admin-plane auth config (the admin surface guard)
put
/api/v1/admin/admin-auth
Replace the admin_auth chain at runtime, dry-run guarded (the calling credentials must hold full scope under the NEW chain, else 409). Live until the next reload/restart
get
/api/v1/admin/audit
Admin audit log: every mutation with its outcome (newest first). Page: ?limit=, ?cursor=; returns {items, next_cursor}
get
/api/v1/admin/auth
Ingress auth chain + upstream-credential mode
post
/api/v1/admin/auth/cache/flush
Flush the credential cache: one module's partition (`{module}`) or everything (empty body). Instant revocation of the cached-allow window
get
/api/v1/admin/config
Effective running config snapshot (redacted)
post
/api/v1/admin/config/apply
Apply a full config from the request body, atomically (live until next reload/restart; health preserved by lane identity)
get
/api/v1/admin/config/diff
Structured hook-surface diff between two retained versions
post
/api/v1/admin/config/reload
Re-read config.yaml/providers.yaml from disk and apply atomically (health state preserved by lane identity)
post
/api/v1/admin/config/rollback
Restore a retained version's hook surface (re-validated; a NEW version)
get
/api/v1/admin/config/settings
Read the API-set single-value config overlay (root section: listen/tls/rate_card/store/security/limits/…), only the operator's overrides; base config.yaml stands for the rest
put
/api/v1/admin/config/settings
SET any single-value config section durably (1.5.0 full-config coverage): partial RootSettings merged onto the overlay, re-resolved + validated, swapped in. rate_card/per_request_fee/security/limits/… go live; listen/tls/admin_listen/admin_tls/admin_require_mtls/store are stored + flagged restart-to-apply (bound once at start / store reused across a hot reload). NEVER writes config.yaml
post
/api/v1/admin/config/validate
Dry-run validate a proposed config
get
/api/v1/admin/config/versions
Config version history (newest first; id/ts/principal/summary). Page: ?limit=, ?cursor=; returns {items, next_cursor}
get
/api/v1/admin/config/versions/{v}
One retained config version, with its hook-surface snapshot
get
/api/v1/admin/export
Every `export:` DEFINITION (the 1.5.3 named-definition map: name -> {module, settings, ...}, referenced by bare name). Secrets are never projected
get
/api/v1/admin/export/{name}
One `export:` definition
put
/api/v1/admin/export/{name}
Create or REPLACE one `export:` definition (upsert), persisted to the config overlay and live after an atomic rebuild-and-swap. A base-config-defined entry is 409 (edit config.yaml)
delete
/api/v1/admin/export/{name}
Remove one `export:` definition, refused while another config section still references it by bare name
patch
/api/v1/admin/export/{name}/settings
Replace ONLY the opaque `settings:` bag of one `export:` definition; every other field is left byte-identical
get
/api/v1/admin/groups
Group registry: the limit tree (parent chain, limits, child_default budget template)
post
/api/v1/admin/groups
Create (or replace) a group at runtime, live immediately (upsert)
get
/api/v1/admin/groups/{name}
One group definition (parent, enabled, limits, child_default)
put
/api/v1/admin/groups/{name}
Replace an overlay group definition, live immediately (limits rebuilt)
delete
/api/v1/admin/groups/{name}
Remove an overlay group at runtime, live immediately
patch
/api/v1/admin/groups/{name}
Partial update: change only the fields present (e.g. raise a budget, freeze a group)
get
/api/v1/admin/groups/{name}/usage
The group's derived current-window usage per (window, pool) enforcement bucket vs its caps: the self-service dashboard read (spend derives from the token ledger x the CURRENT rate card at read time)
get
/api/v1/admin/hooks
Hook registry (definitions)
post
/api/v1/admin/hooks
Register (or replace) a hook at runtime, live immediately
get
/api/v1/admin/hooks/{name}
One hook definition
put
/api/v1/admin/hooks/{name}
Replace an overlay hook definition, live immediately (grants immutable)
delete
/api/v1/admin/hooks/{name}
Remove a hook at runtime, live immediately
get
/api/v1/admin/hooks/{name}/health
Best-effort hook transport reachability
get
/api/v1/admin/hooks/{name}/schema
The hook's self-described settings JSON Schema (describe proxy)
patch
/api/v1/admin/hooks/{name}/settings
Push an opaque settings map to the running hook; COMMIT ON ACK
get
/api/v1/admin/hooks/{name}/status
The hook's OBSERVED state, live-queried: running settings + version (vs busbar's desired copy, with a drift verdict) and self-reported metrics. reported=null when the hook doesn't answer (fail-open)
get
/api/v1/admin/identity-providers
Every `identity-providers:` DEFINITION (the 1.5.3 named-definition map: name -> {module, settings, ...}, referenced by bare name). Secrets are never projected
get
/api/v1/admin/identity-providers/{name}
One `identity-providers:` definition
put
/api/v1/admin/identity-providers/{name}
Create or REPLACE one `identity-providers:` definition (upsert), persisted to the config overlay and live after an atomic rebuild-and-swap. A base-config-defined entry is 409 (edit config.yaml); RAISING `max_admin_scope` is refused outright (the trust ceiling is operator file policy)
delete
/api/v1/admin/identity-providers/{name}
Remove one `identity-providers:` definition, refused while another config section still references it by bare name
patch
/api/v1/admin/identity-providers/{name}/settings
Replace ONLY the opaque `settings:` bag of one `identity-providers:` definition; every other field is left byte-identical
get
/api/v1/admin/info
Version, compiled-in plugin proof, uptime, topology
get
/api/v1/admin/keys
List virtual keys (metadata only; never secrets). Filters: ?enabled=, ?prefix=, ?group= (keys bound to a group; a `user:<sub>` leaf's keys are one person's). Paginate: ?limit=, ?cursor= (opaque)
post
/api/v1/admin/keys
Mint a virtual key. The secret is returned EXACTLY once. Honors an `Idempotency-Key` header (per-principal ~10min replay)
get
/api/v1/admin/keys/{id}
One key's metadata + `ETag` (never the secret/hash)
delete
/api/v1/admin/keys/{id}
Revoke a key: it stops resolving immediately. Optional `If-Match` (the key's ETag)
patch
/api/v1/admin/keys/{id}
Enable/disable a key or rebind its group. Optional `If-Match` for optimistic concurrency
post
/api/v1/admin/keys/{id}/revoke
REVOKE a signed-token key: denylist it durably WITHOUT deleting the binding (GET /keys/{id} still shows the record; verify now fails). Idempotent: revoking an already-revoked key is 200. DELETE /keys/{id} is the revoke-AND-forget variant (1.5.0)
post
/api/v1/admin/keys/{id}/rotate
Mint a fresh secret in place (same id, budgets, usage). The new secret is shown once; the old stops resolving. Honors an `Idempotency-Key` header (per-principal, op+id-scoped, ~10min replay)
get
/api/v1/admin/keys/{id}/usage
Current-window usage for one key (spend / tokens / requests)
get
/api/v1/admin/models
Model lanes + upstream providers
get
/api/v1/admin/openapi.json
This OpenAPI 3.1 document
delete
/api/v1/admin/overlay/{section}
DISCARD a section's overlay mutations and revert it to base config.yaml (section ∈ groups|hooks|root|plugin_versions). Per-section reset: the OTHER sections' overlay survives. A NEW config version; an already-empty section is an idempotent no-op (changed:false)
get
/api/v1/admin/plugins
Plugin catalog by type (compiled-in + external + dynamic-library)
post
/api/v1/admin/plugins
Install a dynamic-library store plugin: upload the library (base64) + optional signed manifest; the engine RE-VERIFIES against the running trust posture, validates the store ABI, and writes it atomically into the plugins directory. Takes effect on the next store (re)load
post
/api/v1/admin/plugins/inspect
Stateless read-only preview of a candidate plugin tarball: verify its signature, parse its manifest, and report its settings schema WITHOUT installing anything
post
/api/v1/admin/plugins/reload
Re-scan the plugins directory and report the reconciled dynamic-library inventory (the sibling of config/reload). A store change takes effect on the next store (re)load
post
/api/v1/admin/plugins/rollback
EXPLICIT, authenticated, audited rollback of a plugin to a PRIOR version (1.5.0). Validates the target artifact (structure + trust) with the anti-downgrade floor lowered to EXACTLY the target's own version; a lower or untrusted artifact still fails (a rollback authenticates the OPERATOR, never the bytes). Persists the version pin to the overlay (survives restart) and hot-swaps via the same rebuild-and-swap path as plugins/reload
delete
/api/v1/admin/plugins/{file}
Remove a dynamic-library plugin (library + manifest sidecar) from the plugins directory. A loaded store keeps running until the next store (re)load
get
/api/v1/admin/plugins/{file}/schema
The plugin's self-described settings JSON Schema, read from the SIGNED manifest's `settings_schema` field, which works for every plugin kind (store/secret/auth/hook), not just hooks. `hook` plugins keep the live describe-proxy behavior when describe answers (source: describe); a loaded hook whose describe answers null falls back server-side to the manifest baseline (source: manifest)
get
/api/v1/admin/pools
Pool topology (members + weights). ?detail=true inlines live member status (one call, no N+1)
get
/api/v1/admin/pools/{name}
Live per-member status of one pool (breaker/concurrency/latency)
get
/api/v1/admin/providers
Distinct providers + lane counts
post
/api/v1/admin/restart
Restart busbar to apply the restart-scoped settings (listen, admin_listen, tls, admin_tls, admin_require_mtls, store). Drains first; the supervisor brings it back
post
/api/v1/admin/signing-key/rotate
ROTATE the busbar key-signing key. Rotation is REVOKE-ALL by design: a new signing key means every token minted under the OLD key stops verifying, so every outstanding key must be re-minted. 1.5.0 is single-key, so this reports the intent + current kid; the actual swap is an operator action (replace auth.signing_key / the persisted key file and restart/reload every node in lockstep) (1.5.0)
get
/api/v1/admin/usage
Metering: current UTC-day bucket ({window, as_of, currency, total, by_model, by_key}), raw token split + derived spend_micros
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Changes to Remove one `identity-providers:` definition, refused while another config section still references it by bare name
delete
/api/v1/admin/identity-providers/{name}
Aug 8, 2026
17d09470ca3b
Revision changes
info
endpoint added