CarGurus

CarGurus is an automotive shopping and dealer marketing platform that connects car shoppers with franchise and independent dealers through data-driven listings, its Instant Market Value (IMV) deal ratings, and dealer reviews. For developers and partners, CarGurus publishes a small set of documented HTTP APIs under /Cars/api/ - an open Car Selector API for building new/used search widgets, and partner/dealer-gated APIs for Instant Market Value, dealer reviews, and dealer performance statistics (leads, VDPs, SRPs, impressions). Dealer inventory itself is ingested through inventory feeds (feed providers / IMT), not a documented public pull API, and leads are delivered to dealer CRMs rather than exposed as a public REST endpoint.

CarGurus publishes 12 API contracts indexed on the APIs.io network, including Car Selector API, Dealer Reviews API, Dealer Stats API, and 9 more. Tagged areas include Automotive, Marketplace, Car Listings, Dealers, and Vehicle Pricing.

The CarGurus catalog on APIs.io includes 1 Spectral governance ruleset.

CarGurus’ developer surface includes documentation, signup flow, engineering blog, and 8 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

28.5/100 thin ▬ flat Agent 19/100 agent aware Front door AI 1/6 silent Heartbeat 58/100 alive saas Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreemium

1 published contract

Automotive MarketplaceCar ListingsDealers Vehicle Pricing Reviews Inventory

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 28.5/100 · thin

Contract Quality 8.3 / 19

Developer Ergonomics 6.1 / 15

Access Clarity 2.6 / 15

Operational Transparency 0.5 / 10

Contract Governance 1.2 / 9

Discoverability 4.3 / 8

Regulatory Posture 0.9 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 19/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented) Ask about this →
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link Ask about this →

10 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Access Clarity scores 17.0 — up to +16.6 composite points Ask about this →
Contract Quality scores 44.4 — up to +13.9 composite points Ask about this →
Operational Transparency scores 4.8 — up to +12.4 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/cargurus-dealer/apis.yml: open an issue on github.com/api-evangelist/cargurus-dealer to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

OpenAPI

measured — observed by APIs.io (published)

APIs 12

Individual APIs this provider publishes, each with its own machine-readable definition.

CarGurus Car Selector API

Open API for building new/used listing search widgets.

CarGurus Dealer Reviews API

Retrieve sales reviews for a specific dealer.

CarGurus Dealer Stats API

Retrieve dealer inventory performance statistics.

CarGurus Instant Market Value API

Retrieve CarGurus Instant Market Value and deal rating for cars.

CarGurus Dealer Stats API

Retrieves daily performance statistics for dealer inventory including search result page views, vehicle detail page clicks, and lead generation metrics across email, phone, chat...

CarGurus Instant Market Value API

Returns vehicle market valuations and deal ratings (Great Price, Good Price, Fair Price, etc.) based on VIN, make, model, trim, mileage, and location data, enabling real-time pr...

CarGurus Dealer Reviews API

Provides access to consumer dealer reviews including ratings, review text, author information, timestamps, and dealer management responses, supporting reputation management and ...

CarGurus Dealer SMS API

Enables dealers to send SMS and MMS messages to consumers, supporting text and media content up to 1600 characters and 10 media attachments for direct dealer-to-consumer communi...

CarGurus Car Selector API

Provides vehicle make and model lookup capabilities and generates search result URLs for new and used vehicle listings, supporting affiliate and partner integration for vehicle ...

CarGurus SEM Ad Landing Page URL Generator API

Generates targeted landing page URLs for Search Engine Marketing ad campaigns, enabling partners to create deep-linked pages pointing to relevant vehicle search results on CarGu...

CarGurus SEM Filter Values API

Supplies filter values used for constructing SEM campaigns and search configurations on the CarGurus platform, supporting dynamic ad targeting and search filter integration.

CarGurus Body Type Groups API

Provides vehicle body type classification and translation data, mapping CarGurus body type identifiers to human-readable labels for use in vehicle search and filtering interfaces.

Scroll for all 12

Open Collections 3

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

CarGurus Developer APIs Car Selector API

OPEN COLLECTION

CarGurus Developer APIs Car Selector Dealer Stats API

OPEN COLLECTION

CarGurus Developer APIs Car Selector Instant Market Value API

OPEN COLLECTION

CarGurus API pricing

Not yet checked against CarGurus's own pricing page. Compiled by API Evangelist on 2026-07-10 from www.cargurus.com/Cars/developers/; confirm before you rely on a figure. A free plan or tier is listed.

Plan	Price
Car Selector API (Open) free	—
Dealer and Partner APIs (Credentialed) subscription	—
Partner Integration Agreement enterprise	—

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

CarGurus Plans Pricing

3 plans

PLANS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

CarGurus API Rules

50 rules · 48 error-severity 1 warn-severity 1 info-severity

SPECTRAL

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

CarGurus Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access (API Evangelist recommendations) 1

Recommended x-agentic-access execution contracts for AI agents.

CarGurus Agentic Access

6 operations

6 operations · 0 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

SignUp

SignUp

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 1

Pricing, plans, and the legal terms of use

Plans

Plans

Company 4

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Blog

Blog

Source (apis.yml)

aid: cargurus-dealer
url: https://raw.githubusercontent.com/api-evangelist/cargurus-dealer/refs/heads/main/apis.yml
name: CarGurus
kind: company
description: CarGurus is an automotive shopping and dealer marketing platform that connects car shoppers with franchise and
  independent dealers through data-driven listings, its Instant Market Value (IMV) deal ratings, and dealer reviews. For developers
  and partners, CarGurus publishes a small set of documented HTTP APIs under /Cars/api/ - an open Car Selector API for building
  new/used search widgets, and partner/dealer-gated APIs for Instant Market Value, dealer reviews, and dealer performance
  statistics (leads, VDPs, SRPs, impressions). Dealer inventory itself is ingested through inventory feeds (feed providers
  / IMT), not a documented public pull API, and leads are delivered to dealer CRMs rather than exposed as a public REST endpoint.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: low
  source:
  - plans
  - security
  generated: '2026-11-13'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/cargurus-dealer.png
tags:
- Automotive
- Marketplace
- Car Listings
- Dealers
- Vehicle Pricing
- Reviews
- Inventory
tags_raw:
- Automotive
- Marketplace
- Car Listings
- Dealer
- Vehicle Pricing
- Reviews
- Inventory
created: '2026-07-10'
modified: '2026-07-10'
specificationVersion: '0.23'
apis:
- aid: cargurus-dealer:cargurus-dealer-car-selector-api
  name: CarGurus Car Selector API
  description: Open API for building new/used listing search widgets.
  humanURL: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  baseURL: https://www.cargurus.com/Cars/api/1.0
  tags:
  - Car Selector
  properties:
  - type: OpenAPI
    url: openapi/cargurus-dealer-car-selector-api-openapi.yml
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerStatsV2Daily.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/DealerStatsV2Daily.html
- aid: cargurus-dealer:cargurus-dealer-dealer-reviews-api
  name: CarGurus Dealer Reviews API
  description: Retrieve sales reviews for a specific dealer.
  humanURL: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  baseURL: https://www.cargurus.com/Cars/api/1.0
  tags:
  - Dealer Reviews
  properties:
  - type: OpenAPI
    url: openapi/cargurus-dealer-dealer-reviews-api-openapi.yml
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerStatsV2Daily.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/DealerStatsV2Daily.html
- aid: cargurus-dealer:cargurus-dealer-dealer-stats-api
  name: CarGurus Dealer Stats API
  description: Retrieve dealer inventory performance statistics.
  humanURL: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  baseURL: https://www.cargurus.com/Cars/api/1.0
  tags:
  - Dealer Stats
  properties:
  - type: OpenAPI
    url: openapi/cargurus-dealer-dealer-stats-api-openapi.yml
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerStatsV2Daily.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/DealerStatsV2Daily.html
- aid: cargurus-dealer:cargurus-dealer-instant-market-value-api
  name: CarGurus Instant Market Value API
  description: Retrieve CarGurus Instant Market Value and deal rating for cars.
  humanURL: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  baseURL: https://www.cargurus.com/Cars/api/1.0
  tags:
  - Instant Market Value
  properties:
  - type: OpenAPI
    url: openapi/cargurus-dealer-instant-market-value-api-openapi.yml
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerStatsV2Daily.html
  - type: APIReference
    url: https://www.cargurus.com/Cars/developers/docs/DealerStatsV2Daily.html
- aid: cargurus-dealer:dealer-stats-api
  name: CarGurus Dealer Stats API
  description: Retrieves daily performance statistics for dealer inventory including search result page views, vehicle detail
    page clicks, and lead generation metrics across email, phone, chat, and SMS channels.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.cargurus.com/Cars/developers/docs/DealerStatsV3Daily.html
  tags:
  - Dealer Analytics
  - Inventory Statistics
  - Lead Metrics
  properties:
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerStatsV3Daily.html
  - type: Authentication
    url: https://www.cargurus.com/Cars/developers/
- aid: cargurus-dealer:instant-market-value-api
  name: CarGurus Instant Market Value API
  description: Returns vehicle market valuations and deal ratings (Great Price, Good Price, Fair Price, etc.) based on VIN,
    make, model, trim, mileage, and location data, enabling real-time price comparison and market positioning.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  tags:
  - Vehicle Pricing
  - Market Valuation
  - Deal Rating
  properties:
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/InstantMarketValue.html
  - type: Authentication
    url: https://www.cargurus.com/Cars/developers/
- aid: cargurus-dealer:dealer-reviews-api
  name: CarGurus Dealer Reviews API
  description: Provides access to consumer dealer reviews including ratings, review text, author information, timestamps,
    and dealer management responses, supporting reputation management and review display integrations.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  tags:
  - Dealer Reviews
  - Reputation Management
  - Consumer Feedback
  properties:
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerReviews.html
  - type: Authentication
    url: https://www.cargurus.com/Cars/developers/
- aid: cargurus-dealer:dealer-sms-api
  name: CarGurus Dealer SMS API
  description: Enables dealers to send SMS and MMS messages to consumers, supporting text and media content up to 1600 characters
    and 10 media attachments for direct dealer-to-consumer communication through the CarGurus platform.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.cargurus.com/Cars/developers/docs/DealerSMS.html
  tags:
  - SMS Messaging
  - Dealer Communication
  - Consumer Engagement
  properties:
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/DealerSMS.html
  - type: Authentication
    url: https://www.cargurus.com/Cars/developers/
- aid: cargurus-dealer:car-selector-api
  name: CarGurus Car Selector API
  description: Provides vehicle make and model lookup capabilities and generates search result URLs for new and used vehicle
    listings, supporting affiliate and partner integration for vehicle shopping search experiences.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
  tags:
  - Vehicle Search
  - Make Model Lookup
  - Affiliate Integration
  properties:
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
- aid: cargurus-dealer:sem-ad-url-generator-api
  name: CarGurus SEM Ad Landing Page URL Generator API
  description: Generates targeted landing page URLs for Search Engine Marketing ad campaigns, enabling partners to create
    deep-linked pages pointing to relevant vehicle search results on CarGurus.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.cargurus.com/Cars/developers/docs/SemAdUrlGenerator.html
  tags:
  - SEM
  - Advertising
  - Landing Pages
  properties:
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/SemAdUrlGenerator.html
  - type: Authentication
    url: https://www.cargurus.com/Cars/developers/
- aid: cargurus-dealer:sem-filter-values-api
  name: CarGurus SEM Filter Values API
  description: Supplies filter values used for constructing SEM campaigns and search configurations on the CarGurus platform,
    supporting dynamic ad targeting and search filter integration.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.cargurus.com/Cars/developers/docs/SemFilterValues.html
  tags:
  - SEM
  - Search Filters
  - Advertising
  properties:
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/SemFilterValues.html
  - type: Authentication
    url: https://www.cargurus.com/Cars/developers/
- aid: cargurus-dealer:body-type-groups-api
  name: CarGurus Body Type Groups API
  description: Provides vehicle body type classification and translation data, mapping CarGurus body type identifiers to human-readable
    labels for use in vehicle search and filtering interfaces.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.cargurus.com/Cars/developers/docs/BodyTypeGroupTranslations.html
  tags:
  - Vehicle Classification
  - Body Types
  - Reference Data
  properties:
  - type: Documentation
    url: https://www.cargurus.com/Cars/developers/docs/BodyTypeGroupTranslations.html
common:
- type: AgenticAccess
  url: agentic-access/cargurus-dealer-agentic-access.yml
- type: DomainSecurity
  url: security/cargurus-dealer-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/cargurus
- type: LinkedIn
  url: https://www.linkedin.com/company/cargurus
- type: Website
  url: https://www.cargurus.com
- type: DeveloperPortal
  url: https://www.cargurus.com/Cars/developers/
- type: Documentation
  url: https://www.cargurus.com/Cars/developers/docs/CarSelector.html
- type: SignUp
  url: https://dealers.cargurus.com/
- type: Plans
  url: plans/cargurus-dealer-plans-pricing.yml
- type: Blog
  url: https://dealers.cargurus.com/drc
- type: Blog
  url: https://cargurus.dev/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

CarGurus API — frequently asked questions

Does CarGurus have an API?

Yes. APIs.io lists 12 APIs from CarGurus, including CarGurus Car Selector API, CarGurus Dealer Reviews API and CarGurus Dealer Stats API, and 9 more.

Is there an OpenAPI specification for the CarGurus API?

Yes. APIs.io indexes 4 OpenAPI specifications for CarGurus, each linked for download from this page.

How do I authenticate with the CarGurus API?

CarGurus uses bearer-token authentication.

How much does the CarGurus API cost?

APIs.io lists 3 pricing plans for CarGurus, with each plan's price, limits and inclusions under Pricing on this page.

Is the CarGurus API ready for AI agents?

CarGurus has a Kin Score of 28.5 out of 100 (thin) and an Agent Readiness score of 19.0 (agent-aware), scored by API Evangelist on 2026-11-13.

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