Wallapop

Wallapop is a Barcelona-based consumer marketplace for buying and selling second-hand items across Spain, Italy, and Portugal, backed by Accel, Insight Partners, and Northzone. Its Wallapop Connect API lets professional sellers and third-party integrators programmatically publish and manage listings (Items Connect API), accept shipping requests and track transactions through delivery (Transactions Connect API), and subscribe to signed event notifications (Webhooks Connect API), all secured with OAuth 2.0 Authorization Code + PKCE via its Keycloak-based identity service.

Wallapop publishes 6 APIs on the APIs.io network, including Categories API, Delivery API, Disputes API, and 3 more. Tagged areas include Company, Consumer, Marketplace, Ecommerce, and Second-Hand.

The Wallapop catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Wallapop’s developer surface includes documentation, API reference, getting-started guide, support, pricing, signup flow, changelog, and 20 more developer resources.

🌐 Visit website 📡 Source on GitHub
56.5/100 developing ▬ flat Agent 67/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
6 APIs 1 MCP Servers
CompanyConsumerMarketplaceEcommerceSecond-HandClassifiedsShippingWebhooks

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 56.5/100 · developing
Contract Quality 16.7 / 25
Developer Ergonomics 13.0 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 7.9 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 67/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/wallapop: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 6

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

Wallapop Categories API

A category is a classification for product listings, with specific attributes and constraints that products within the category must adhere to.

Wallapop Delivery API

The Delivery API from Wallapop — 1 operation(s) for delivery.

Wallapop Disputes API

The Disputes API from Wallapop — 1 operation(s) for disputes.

Wallapop Items API

An item refers to a listing created by a user on the Wallapop marketplace, indicating their intent to sell. These items can include a diverse range of products.

Wallapop Transactions API

A shipping transaction is initiated when a seller accepts a shipping request.

Wallapop Webhooks API

Webhooks allow you to receive event notifications.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

wallapop-mcp.yml

MCP SERVER

Rate Limits 1

Documented rate limits and quota policies.

Wallapop Rate Limits

3 limits

RATE LIMITS

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Wallapop Webhooks Catalog

ASYNCAPI

Security Posture 2

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

Wallapop Authentication

oauth2 · 1 scheme

SECURITY

Wallapop Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Wallapop Scopes

1 scope · authorizationCode

1 scopes

SCOPES

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 WellKnown
WellKnown
 LLMsTxt
LLMsTxt
 AgentSkill
AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 Conformance
Conformance
 DataModel
DataModel
 Webhooks
Webhooks

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages

Access & Security 3

Authentication, authorization, and security posture

Authentication
Authentication
 OAuthScopes
OAuthScopes
 DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support
Support
 ChangeLog
ChangeLog
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: wallapop
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/wallapop.png
name: Wallapop
description: Wallapop is a Barcelona-based consumer marketplace for buying and selling second-hand items across Spain, Italy,
  and Portugal, backed by Accel, Insight Partners, and Northzone. Its Wallapop Connect API lets professional sellers and third-party
  integrators programmatically publish and manage listings (Items Connect API), accept shipping requests and track transactions
  through delivery (Transactions Connect API), and subscribe to signed event notifications (Webhooks Connect API), all secured
  with OAuth 2.0 Authorization Code + PKCE via its Keycloak-based identity service.
url: https://raw.githubusercontent.com/api-evangelist/wallapop/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- accel
- insight-partners
- northzone
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Consumer
- Marketplace
- Ecommerce
- Second-Hand
- Classifieds
- Shipping
- Webhooks
apis:
- aid: wallapop:wallapop-categories-api
  name: Wallapop Categories API
  description: A category is a classification for product listings, with specific attributes and constraints that products
    within the category must adhere to.
  humanURL: https://developers.wallapop.com/apis/items
  baseURL: https://connect.wallapop.com
  tags:
  - Categories
  properties:
  - type: OpenAPI
    url: openapi/wallapop-categories-api-openapi.yml
  - type: Documentation
    url: https://developers.wallapop.com/apis/items
  - type: Documentation
    url: https://developers.wallapop.com/apis/delivery
  - type: Documentation
    url: https://developers.wallapop.com/apis/webhooks
- aid: wallapop:wallapop-delivery-api
  name: Wallapop Delivery API
  description: The Delivery API from Wallapop — 1 operation(s) for delivery.
  humanURL: https://developers.wallapop.com/apis/items
  baseURL: https://connect.wallapop.com
  tags:
  - Delivery
  properties:
  - type: OpenAPI
    url: openapi/wallapop-delivery-api-openapi.yml
  - type: Documentation
    url: https://developers.wallapop.com/apis/items
  - type: Documentation
    url: https://developers.wallapop.com/apis/delivery
  - type: Documentation
    url: https://developers.wallapop.com/apis/webhooks
- aid: wallapop:wallapop-disputes-api
  name: Wallapop Disputes API
  description: The Disputes API from Wallapop — 1 operation(s) for disputes.
  humanURL: https://developers.wallapop.com/apis/items
  baseURL: https://connect.wallapop.com
  tags:
  - Disputes
  properties:
  - type: OpenAPI
    url: openapi/wallapop-disputes-api-openapi.yml
  - type: Documentation
    url: https://developers.wallapop.com/apis/items
  - type: Documentation
    url: https://developers.wallapop.com/apis/delivery
  - type: Documentation
    url: https://developers.wallapop.com/apis/webhooks
- aid: wallapop:wallapop-items-api
  name: Wallapop Items API
  description: An item refers to a listing created by a user on the Wallapop marketplace, indicating their intent to sell.
    These items can include a diverse range of products.
  humanURL: https://developers.wallapop.com/apis/items
  baseURL: https://connect.wallapop.com
  tags:
  - Items
  properties:
  - type: OpenAPI
    url: openapi/wallapop-items-api-openapi.yml
  - type: Documentation
    url: https://developers.wallapop.com/apis/items
  - type: Documentation
    url: https://developers.wallapop.com/apis/delivery
  - type: Documentation
    url: https://developers.wallapop.com/apis/webhooks
- aid: wallapop:wallapop-transactions-api
  name: Wallapop Transactions API
  description: A shipping transaction is initiated when a seller accepts a shipping request.
  humanURL: https://developers.wallapop.com/apis/items
  baseURL: https://connect.wallapop.com
  tags:
  - Transactions
  properties:
  - type: OpenAPI
    url: openapi/wallapop-transactions-api-openapi.yml
  - type: Documentation
    url: https://developers.wallapop.com/apis/items
  - type: Documentation
    url: https://developers.wallapop.com/apis/delivery
  - type: Documentation
    url: https://developers.wallapop.com/apis/webhooks
- aid: wallapop:wallapop-webhooks-api
  name: Wallapop Webhooks API
  description: Webhooks allow you to receive event notifications.
  humanURL: https://developers.wallapop.com/apis/items
  baseURL: https://connect.wallapop.com
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/wallapop-webhooks-api-openapi.yml
  - type: Documentation
    url: https://developers.wallapop.com/apis/items
  - type: Documentation
    url: https://developers.wallapop.com/apis/delivery
  - type: Documentation
    url: https://developers.wallapop.com/apis/webhooks
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.wallapop.com
- type: DeveloperPortal
  url: https://developers.wallapop.com/
- type: Documentation
  url: https://developers.wallapop.com/intro
- type: APIReference
  url: https://developers.wallapop.com/apis/
- type: GettingStarted
  url: https://developers.wallapop.com/pages/guides/quickstart
- type: Support
  url: https://ayuda.wallapop.com/
- type: GitHubOrganization
  url: https://github.com/Wallapop
- type: Pricing
  url: https://es.wallapop.com/wallapop-pro
- type: SignUp
  url: https://es.wallapop.com/login
- type: TermsOfService
  url: https://es.wallapop.com/toc
- type: PrivacyPolicy
  url: https://es.wallapop.com/privacy
- type: ChangeLog
  url: changelog/wallapop-changelog.yml
- type: Authentication
  url: authentication/wallapop-authentication.yml
- type: OAuthScopes
  url: scopes/wallapop-scopes.yml
- type: DomainSecurity
  url: security/wallapop-domain-security.yml
- type: RateLimits
  url: rate-limits/wallapop-rate-limits.yml
- type: Conventions
  url: conventions/wallapop-conventions.yml
- type: ErrorCatalog
  url: errors/wallapop-problem-types.yml
- type: Lifecycle
  url: lifecycle/wallapop-lifecycle.yml
- type: Conformance
  url: conformance/wallapop-conformance.yml
- type: DataModel
  url: data-model/wallapop-data-model.yml
- type: Webhooks
  url: asyncapi/wallapop-webhooks-catalog.yml
- type: MCPServer
  url: mcp/wallapop-mcp.yml
- type: Packages
  url: packages/wallapop-packages.yml
- type: WellKnown
  url: well-known/wallapop-well-known.yml
- type: LLMsTxt
  url: llms/wallapop-llms.txt
- type: AgentSkill
  url: skills/_index.yml
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 26
  pass: local-v1