The Exif Report API from WritersLogic Verifiable AI Agent Hub — 1 operation(s) for exif report.
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openapi: 3.2.0
info:
title: WritersLogic Verifiable AI Agent Hub Exif Report 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: Exif Report
paths:
/api/v1/exif-report:
post:
operationId: exif_report
summary: Which GPS, serial-number and owner EXIF tags an image carries (keys only)
description: 'Lists which privacy-relevant EXIF tags exist in a JPEG, TIFF, PNG (eXIf) or WebP (EXIF) image, for an agent that is about to publish, upload or forward a photo. Reports tag ids and names for GPS, body and lens serial numbers, camera owner, artist, unique image id, device, software, timestamps and thumbnails; values are never returned. Input is the image as base64 (up to 96 KiB, enough for the metadata block of a larger file). It does not decode XMP, IPTC or MakerNote contents (their presence returns unknown), does not strip metadata, and does not read pixels.
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: developer
x-sample-url: https://agents.writerslogic.com/api/v1/samples/exif-report
security:
- x402: []
- apiKey: []
requestBody:
required: true
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- data
properties:
data:
type: string
maxLength: 131072
description: Padded base64 of the image file or its first 96 KiB (the metadata block must be inside it).
forbid:
type: array
maxItems: 11
items:
type: string
enum:
- gps
- serial
- owner
- unique-id
- device
- software
- datetime
- description
- makernote
- thumbnail
- copyright
description: Categories whose presence fails the check. Default gps, serial, owner.
example:
data: /9j/4QBeRXhpZgAASUkqAAgAAAADAA8BAgABAAAAWAAAAGmHBAABAAAAMgAAACWIBAABAAAARAAAAAAAAAABADGkAgAEAAAAMTIzNAAAAAABAAEAAgACAAAATgAAAAAAAAD/2Q==
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.'
container:
type: string
enum:
- jpeg
- tiff
- png
- webp
- unknown
bytesChecked:
type: integer
byteOrder:
anyOf:
- type: string
enum:
- little
- big
- type: 'null'
description: null when no Exif block was found.
exifFound:
type: boolean
tags:
type: array
description: Up to 256 tag keys {ifd, id, name, category}; name is null for tags outside the Exif 2.3 tables.
items:
type: object
properties:
ifd:
type: string
id:
type: integer
name:
anyOf:
- type: string
- type: 'null'
description: Spec name or null.
category:
anyOf:
- type: string
- type: 'null'
description: Editorial privacy category or null.
categories:
type: array
items:
type: string
gps:
type: object
properties:
present:
type: boolean
hasPosition:
type: boolean
description: Both GPSLatitude and GPSLongitude exist.
tagNames:
type: array
items:
type: string
serial:
type: array
items:
type: string
owner:
type: array
items:
type: string
unknownTagIds:
type: array
items:
type: integer
opaque:
type: object
properties:
xmp:
type: boolean
iptc:
type: boolean
icc:
type: boolean
makerNote:
type: boolean
thumbnailIfd:
type: boolean
malformed:
type: array
items:
type: string
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:
- Exif Report
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