The Fleet Memory API from WritersLogic Verifiable AI Agent Hub — 1 operation(s) for fleet memory.
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openapi: 3.2.0
info:
title: WritersLogic Verifiable AI Agent Hub Fleet Memory API
version: 2.0.0
description: Pay-per-call agents settled in USDC on Base via x402. Every response carries a signed provenance envelope.
contact:
name: WritersLogic
url: https://writerslogic.com/agents
email: agents@writerslogic.com
servers:
- url: https://agents.writerslogic.com
tags:
- name: Fleet Memory
paths:
/api/v1/fleet-memory:
post:
operationId: fleet_memory
summary: 'Fleet memory: your agents'' shared observations of endpoints, rate limits, IVR…'
description: 'Lets every agent in your fleet record what it observed and read what the others saw, with freshness: endpoint brownouts and latency, rate-limit behaviour, IVR menu paths that worked, whether an ambiguous submission was later accepted or rejected, fixes for an error signature, stale feeds, page recipes, merchant workflow failures, document reputation. record() appends timestamped observations for a subject; query() returns counts per outcome, the latest observations, value percentiles and the age of the newest. Scoped to your wallet or tenantId and never pooled across customers; it only knows what your agents recorded (status unknown when nothing is recent).
Price: 0.005 USDC on Base (x402).'
x-x402-price-usdc: '0.005'
x-x402-amount: '5000'
x-payment-info:
protocols:
- x402
price:
mode: fixed
currency: USD
amount: '0.005'
x-audience: agent-infra
x-sample-url: https://agents.writerslogic.com/api/v1/samples/fleet-memory
security:
- x402: []
- apiKey: []
requestBody:
required: true
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- op
- namespace
- subject
properties:
op:
type: string
enum:
- record
- query
namespace:
type: string
enum:
- endpoint-health
- rate-limit
- ivr-path
- submission-outcome
- failure-fix
- feed-staleness
- page-recipe
- merchant-workflow
- document-reputation
- custom
subject:
type: string
pattern: ^[A-Za-z0-9_.:/@+-]{1,200}$
description: What was observed, e.g. api.stripe.com:POST:/v1/refunds, +18005551234:billing, or an error fingerprint.
observations:
type: array
maxItems: 50
items:
type: object
additionalProperties: false
required:
- outcome
- observedAt
properties:
outcome:
type: string
pattern: ^[A-Za-z0-9_.:-]{1,64}$
description: e.g. ok, timeout, 429, accepted, rejected, path-worked.
observedAt:
type: string
maxLength: 40
description: ISO 8601 with offset; within the last 30 days.
value:
type: number
description: Optional measurement, e.g. latency ms or hold minutes.
unit:
type: string
maxLength: 16
detail:
type: string
maxLength: 500
description: e.g. the menu path 1,3,2 or the fix applied. Do not store personal data.
by:
type: string
maxLength: 64
description: Recording worker id.
sinceHours:
type: integer
minimum: 1
maximum: 720
description: query window; default 168 (7 days).
tenantId:
type: string
pattern: ^[A-Za-z0-9_.-]{1,64}$
description: 'Required for API-key callers (namespaced as key:<tenantId>; keep it unguessable). Ignored when a wallet paid: the payer address is the tenant.'
requestId:
type: string
pattern: ^[A-Za-z0-9_.:-]{1,128}$
description: 'Caller-chosen id for this mutation. A retry with the same id and same input returns the stored response (24 h) instead of applying twice; the same id with different input is rejected. Send one on every mutation you may retry: without it a retry is applied again (fleet-memory record appends a duplicate; a repeated spend-ledger commit or release answers NO_HOLD because the first call already took effect).'
example:
op: query
namespace: endpoint-health
subject: api.example.com:POST:/v1/orders
sinceHours: 24
responses:
'200':
description: Paid result with provenance
content:
application/json:
schema:
type: object
properties:
data:
type: object
properties:
status:
type: string
enum:
- pass
- fail
- unknown
- unsupported
description: 'pass: every rule held. fail: a rule was violated (see witnesses). unknown: the input lacks the evidence to decide. unsupported: outside what this engine covers. Missing evidence is never a pass.'
op:
type: string
recorded:
type: integer
window:
type: object
properties:
sinceHours:
type: integer
observations:
type: integer
byOutcome:
type: array
items:
type: object
properties:
outcome:
type: string
count:
type: integer
lastObservedAt:
type: string
latest:
type: array
items:
type: object
value:
anyOf:
- type: object
properties:
count:
type: integer
min:
type: number
p50:
type: number
p90:
type: number
max:
type: number
unit:
anyOf:
- type: string
- type: 'null'
- type: 'null'
newestAgeSeconds:
anyOf:
- type: integer
- type: 'null'
witnesses:
type: array
items:
type: object
properties:
ruleId:
type: string
detail:
type: string
path:
type: string
description: JSON pointer or dotted path into the input.
offset:
type: integer
index:
type: integer
expected:
description: What the rule required.
actual:
description: What the input had.
versions:
type: object
description: Every semantic dependency of this answer (engine, tables and their as-of dates, tokenizer, calendar, rounding profile).
limits:
type: array
items:
type: string
deterministic:
type: boolean
description: 'Always true: pure code, no model.'
_provenance:
type: object
description: C2PA-aligned manifest and W3C VC 2.0 (eddsa-jcs-2022) issued by the hub DID; verify at POST /api/v1/verify-provenance
required:
- data
- _provenance
'400':
description: Invalid request (no payment consumed)
content:
application/json:
schema:
type: object
properties:
error:
type: string
code:
type: string
'401':
description: Invalid X-API-KEY
content:
application/json:
schema:
type: object
properties:
error:
type: string
code:
type: string
'402':
description: Payment required or invalid
content:
application/json:
schema:
type: object
description: x402 v2 PaymentRequired (also base64 in the PAYMENT-REQUIRED header)
properties:
x402Version:
type: integer
error:
type: string
code:
type: string
resource:
type: object
accepts:
type: array
items:
type: object
extensions:
type: object
'502':
description: Upstream failure; the payment is released or not settled
content:
application/json:
schema:
type: object
properties:
error:
type: string
code:
type: string
tags:
- Fleet Memory
components:
securitySchemes:
x402:
type: apiKey
in: header
name: PAYMENT-SIGNATURE
description: x402 v2 payment payload (base64) sent after a 402 challenge
apiKey:
type: apiKey
in: header
name: X-API-KEY