timzinin-com Us Brand Evidence Chronology Builder API
The Us Brand Evidence Chronology Builder API from timzinin-com — 1 operation(s) for us brand evidence chronology builder.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Zinin M2M Hub Us Brand Evidence Chronology Builder API
description: Pay-per-call data & tool APIs
version: 1.0.0
x-guidance: 'Zinin M2M Hub — pay-per-call data & tool APIs for AI agents. Each POST /api/{slug} operation below is a distinct paid tool: call GET /api/{slug}/schema first for the exact input shape, then POST with a signed PAYMENT-SIGNATURE header (x402 v2, USDC — see x-payment-info per operation) or omit it to receive a 402 with full payment requirements in the PAYMENT-REQUIRED header. The same catalog is also available as MCP JSON-RPC tool bundles at POST /mcp/{bundle} — see GET /.well-known/x402 for the list of bundles.'
tags:
- name: Us Brand Evidence Chronology Builder
paths:
/api/us-brand-evidence-chronology-builder:
post:
summary: US Brand Evidence Chronology Builder
description: Build a deterministic chronology from 1 to 30 closed US brand evidence rows and an explicit UTC as-of time. It sorts supplied facts, marks same-time groups, reports future-dated IDs, and emits stable counts and digests.
operationId: call_us_brand_evidence_chronology_builder
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.050000'
protocols:
- x402: {}
network: eip155:8453
payTo: '0x409D32aD39C02BC9B23a8b2d447532ed801b12dE'
asset: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'
requestBody:
required: true
content:
application/json:
schema:
$schema: http://json-schema.org/draft-07/schema#
title: US Brand Evidence Chronology Builder input
description: Submit 1 to 30 closed normalized evidence rows and an explicit Gregorian UTC asOf. The Actor does not verify identity or truth.
type: object
schemaVersion: 1
additionalProperties: false
required:
- schemaVersion
- asOf
- rows
properties:
schemaVersion:
title: Contract schema version
description: Required closed contract version.
type: string
enum:
- '1.0'
default: '1.0'
prefill: '1.0'
asOf:
title: As of UTC
description: Explicit UTC timestamp; the runtime never reads the current clock.
type: string
editor: textfield
pattern: ^(?:(?:19(?:7[2468]|8[048]|9[26])|(?:2[048]|[3-9][26])00|[2-9][0-9](?:0[48]|[2468][048]|[13579][26]))-02-29|(?:19(?:7[0-9]|[89][0-9])|[2-9][0-9]{3})-(?:(?:01|03|05|07|08|10|12)-(?:0[1-9]|[12][0-9]|3[01])|(?:04|06|09|11)-(?:0[1-9]|[12][0-9]|30)|02-(?:0[1-9]|1[0-9]|2[0-8])))T(?:[01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]Z$
prefill: '2026-08-05T09:00:00Z'
rows:
title: Normalized evidence rows
description: One to 30 closed rows. Input order is not semantic.
type: array
editor: json
minItems: 1
maxItems: 30
items:
type: object
additionalProperties: false
required:
- evidenceId
- eventType
- effectiveAt
- observedAt
- sourceUrl
- fact
properties:
evidenceId:
title: Evidence ID
description: Unique stable evidence identifier.
type: string
minLength: 1
maxLength: 40
pattern: ^[A-Za-z0-9][A-Za-z0-9._:-]{0,39}$
eventType:
title: Event type
description: One of the fixed chronology event types.
type: string
enum:
- announcement
- award
- offer
- recall
- regulatory
- review
- other
effectiveAt:
title: Effective at
description: Optional explicit Gregorian UTC effective timestamp.
type:
- string
- 'null'
editor: textfield
pattern: ^(?:(?:19(?:7[2468]|8[048]|9[26])|(?:2[048]|[3-9][26])00|[2-9][0-9](?:0[48]|[2468][048]|[13579][26]))-02-29|(?:19(?:7[0-9]|[89][0-9])|[2-9][0-9]{3})-(?:(?:01|03|05|07|08|10|12)-(?:0[1-9]|[12][0-9]|3[01])|(?:04|06|09|11)-(?:0[1-9]|[12][0-9]|30)|02-(?:0[1-9]|1[0-9]|2[0-8])))T(?:[01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]Z$
observedAt:
title: Observed at
description: Required explicit Gregorian UTC observation timestamp.
type: string
pattern: ^(?:(?:19(?:7[2468]|8[048]|9[26])|(?:2[048]|[3-9][26])00|[2-9][0-9](?:0[48]|[2468][048]|[13579][26]))-02-29|(?:19(?:7[0-9]|[89][0-9])|[2-9][0-9]{3})-(?:(?:01|03|05|07|08|10|12)-(?:0[1-9]|[12][0-9]|3[01])|(?:04|06|09|11)-(?:0[1-9]|[12][0-9]|30)|02-(?:0[1-9]|1[0-9]|2[0-8])))T(?:[01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]Z$
sourceUrl:
title: HTTPS source URL
description: Submitted HTTPS URL with a non-empty host and no credentials; the Actor does not fetch or verify it.
type: string
minLength: 11
maxLength: 256
pattern: ^https://[A-Za-z0-9](?:[A-Za-z0-9.-]*[A-Za-z0-9])?(?::[0-9]{1,5})?(?:[/?#][^\u0000-\u001F\u007F-\u009F]*)?$
fact:
title: Submitted fact
description: Bounded buyer-supplied fact text with no control characters.
type: string
minLength: 1
maxLength: 160
pattern: ^(?:[^\u0000-\u001F\u007F-\u009F]){1,160}$
prefill:
- evidenceId: nike-offer-001
eventType: offer
effectiveAt: '2026-08-04T12:00:00Z'
observedAt: '2026-08-04T12:30:00Z'
sourceUrl: https://www.nike.com/news/example
fact: A submitted source reports a US offer change.
- evidenceId: nike-award-001
eventType: award
effectiveAt: '2026-08-04T12:00:00Z'
observedAt: '2026-08-04T13:00:00Z'
sourceUrl: https://www.usaspending.gov/award/example
fact: A submitted source lists an award associated with the brand.
responses:
'200':
description: Actor run succeeded and payment settled
content:
application/json:
schema:
type: object
properties:
results:
type: array
items:
type: object
description: Actor output items — shape is actor-specific (varies per tool); see this operation's own requestBody schema/description for what the underlying actor produces.
meta:
type: object
properties:
run_ms:
type: integer
description: Actor run duration in milliseconds
item_count:
type: integer
description: len(results)
settled:
type: boolean
description: Whether the x402 payment was confirmed settled by the facilitator
transaction:
type:
- string
- 'null'
description: On-chain settlement transaction hash, null if unsettled
required:
- run_ms
- item_count
- settled
- transaction
required:
- results
- meta
'400':
description: Malformed PAYMENT-SIGNATURE header or request body
'402':
description: Payment required or invalid — see PAYMENT-REQUIRED header
'409':
description: Payment payload already used
'502':
description: Actor run failed
'504':
description: Actor run timed out
tags:
- Us Brand Evidence Chronology Builder