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Upland
Upland (Uplandme, Inc.) is a San Francisco-based Web3 metaverse company that maps virtual property onto real-world addresses, letting players buy, sell, trade and build on tokenized parcels of real cities using its in-world currency UPX and the SPARKLET token. Upland runs a public third-party Developer Program: the Upland Developers API is a documented REST contract (OpenAPI 3.0, 46 operations across Authentication, Upland User, Escrow Containers, Tournaments, Dev Shops, Application Usage and generic read-only endpoints) that lets an approved application map its own users to Upland user IDs, read a player's profile, balances, properties and NFTs, place player assets into an application-scoped escrow container, run Rumble tournaments with UPX entry fees and prize distribution, and receive eighteen documented webhook notifications. A parallel sandbox environment mirrors production. Upland also operates its own Antelope (Leap 5.0.3) appchain, whose chain RPC and Hyperion full-history API are publicly callable and documented.
Upland publishes 2 APIs on the APIs.io network: Developers API and Appchain History & Chain API. Tagged areas include Metaverse, Web3, Gaming, Blockchain, and NFT.
The Upland catalog on APIs.io includes 1 event-driven AsyncAPI specification.
Upland’s developer surface includes documentation, API reference, getting-started guide, signup flow, support, authentication, changelog, and 18 more developer resources.
3 APIs
On this page
Kin Score
APIs 2
Pricing Plans 1
Rate Limits 1
Event Specs 1
Security Posture 2
Resources 25
apis.yml
24 Operational Transparency
Composite quality — 44.7/100 · developing
Agent readiness — 32/100 · agent ready
Individual APIs this provider publishes, each with its own machine-readable definition.
Published pricing tiers and plan structures.
Documented rate limits and quota policies.
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Get Started 4
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 2
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 6
Pagination, idempotency, versioning, errors, and events
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Operate 4
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 1
The organization behind the API
Source (apis.yml)
aid: upland
name: Upland
description: 'Upland (Uplandme, Inc.) is a San Francisco-based Web3 metaverse company that maps virtual property onto real-world
addresses, letting players buy, sell, trade and build on tokenized parcels of real cities using its in-world currency UPX
and the SPARKLET token. Upland runs a public third-party Developer Program: the Upland Developers API is a documented REST
contract (OpenAPI 3.0, 46 operations across Authentication, Upland User, Escrow Containers, Tournaments, Dev Shops, Application
Usage and generic read-only endpoints) that lets an approved application map its own users to Upland user IDs, read a player''s
profile, balances, properties and NFTs, place player assets into an application-scoped escrow container, run Rumble tournaments
with UPX entry fees and prize distribution, and receive eighteen documented webhook notifications. A parallel sandbox environment
mirrors production. Upland also operates its own Antelope (Leap 5.0.3) appchain, whose chain RPC and Hyperion full-history
API are publicly callable and documented.'
image: https://www.upland.me/images/seo/graph.png?v=3
url: https://raw.githubusercontent.com/api-evangelist/upland/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-09-02'
modified: '2026-09-02'
tags:
- Metaverse
- Web3
- Gaming
- Blockchain
- NFT
- Virtual Real Estate
- Digital Assets
- Escrow
- Tournaments
- Antelope
- Webhooks
- Developer Platform
tags_raw:
- metaverse
- web3
- gaming
- blockchain
- nft
- virtual-real-estate
- digital-assets
- escrow
- tournaments
- antelope
- webhooks
- developer-platform
apis:
- name: Upland Developers API
description: REST API for approved Upland third-party applications. Maps application users to Upland user IDs through a
connection-code flow, exposes read-only player data (profile, balances, properties, NFTs, travels), manages an application-scoped
escrow container (create, lock/unlock, refresh expiration, resolve, refund, remove transaction), runs Rumble tournaments
(settings, create, join, scores, prize distribution, scoreboard, resolve, cancel), and queries Dev Shops, cities, neighborhoods,
collections, buildings, tracks and treasures history. Application-level calls use HTTP Basic auth (App ID + Secret Key);
calls acting on behalf of a player use a Bearer JWT delivered to the application's webhook URL when the player authorizes
the connection.
humanURL: https://docs.developers.upland.me/upland-developers
baseURL: https://api.prod.upland.me/developers-api
tags:
- Metaverse
- Web3
- Gaming
- NFT
- Escrow
- Tournaments
- Digital Assets
- Webhooks
tags_raw:
- metaverse
- web3
- gaming
- nft
- escrow
- tournaments
- digital-assets
- webhooks
properties:
- type: OpenAPI
url: openapi/upland-developers-api-openapi.json
- type: OpenAPI
url: openapi/upland-developers-api-sandbox-openapi.json
- type: Documentation
url: https://docs.developers.upland.me/upland-developers
- type: APIReference
url: https://api.prod.upland.me/developers-api/docs/
- type: Authentication
url: authentication/upland-authentication.yml
- type: Conventions
url: conventions/upland-conventions.yml
- type: ErrorCatalog
url: errors/upland-problem-types.yml
- type: DataModel
url: data-model/upland-data-model.yml
- type: Overlay
url: overlays/upland-developers-api-overlay.yaml
- type: Webhooks
url: asyncapi/upland-webhooks.yml
- type: Sandbox
url: sandbox/upland-sandbox.yml
- name: Upland Appchain History & Chain API
description: Public, unauthenticated Antelope (Leap 5.0.3) node and Hyperion 3.3.10 full-history API for Upland's own appchain,
which replaced Upland's EOS deployment on 2025-04-26. Exposes the standard Antelope /v1/chain RPC (get_info, get_account,
get_table_rows, get_abi, push_transaction and friends) plus Hyperion V1 and V2 history, state and stats endpoints for
indexed actions, deltas, transactions, token holders, account creators, proposals and resource usage. Documented by Upland
on its own Upland Appchain developer page alongside the ledger.upland.me block explorer.
humanURL: https://docs.developers.upland.me/upland-developers/api-definitions/upland-appchain
baseURL: https://chain-history.upland.me
tags:
- Blockchain
- Antelope
- Web3
- Metaverse
- Digital Assets
tags_raw:
- blockchain
- antelope
- web3
- metaverse
- digital-assets
properties:
- type: OpenAPI
url: openapi/upland-appchain-history-swagger.json
- type: Documentation
url: https://docs.developers.upland.me/upland-developers/api-definitions/upland-appchain
- type: APIReference
url: https://chain-history.upland.me/v2/docs/
- type: Overlay
url: overlays/upland-appchain-history-overlay.yaml
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
- FN: APIs.json
email: info@apis.io
common:
- type: Website
url: https://upland.me/
- type: DeveloperPortal
url: https://developers.upland.me
- type: Documentation
url: https://docs.developers.upland.me/upland-developers
- type: APIReference
url: https://api.prod.upland.me/developers-api/docs/
- type: GettingStarted
url: https://docs.developers.upland.me/upland-developers/playing-the-sandbox/get-started
- type: SignUp
url: https://developers.upland.me
- type: Support
url: https://support.upland.me/
- type: Community
url: https://discord.com/invite/upland
- type: TermsOfService
url: https://upland.me/documents/Upland_Terms_of_Service_June_8_2026.pdf
- type: PrivacyPolicy
url: https://upland.me/privacy-policy
- type: LLMsTxt
url: llms/upland-llms.txt
- type: Authentication
url: authentication/upland-authentication.yml
- type: Conventions
url: conventions/upland-conventions.yml
- type: ErrorCatalog
url: errors/upland-problem-types.yml
- type: DataModel
url: data-model/upland-data-model.yml
- type: Lifecycle
url: lifecycle/upland-lifecycle.yml
- type: ChangeLog
url: changelog/upland-changelog.yml
- type: Conformance
url: conformance/upland-conformance.yml
- type: DomainSecurity
url: security/upland-domain-security.yml
- type: Sandbox
url: sandbox/upland-sandbox.yml
- type: Webhooks
url: asyncapi/upland-webhooks.yml
- type: AgentSkill
url: skills/_index.yml
- type: Packages
url: packages/upland-packages.yml
- type: Plans
url: plans/upland-plans-pricing.yml
- type: RateLimits
url: rate-limits/upland-rate-limits.yml
x-enrichment:
date: '2026-09-02'
status: enriched
artifacts_added: 28
pass: local-v1
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