Q4 2025
Foundation
Protocol & architecture design
Shipped

Defined the payment primitive model for AT Protocol, mapping atproto DIDs to wallet addresses, designing the lexicon schema for payment records, and selecting Tempo as the settlement layer.

  • atproto DID → wallet address mapping
  • Lexicon schema for payment records
  • Settlement layer selection (Tempo blockchain)
  • Native stablecoin (USDAT & EURAT) reserve models designed
Tempo testnet integration
Shipped

Established initial connectivity to Tempo's public testnet, validated sub-second finality for payment flows, and confirmed stablecoin-denominated gas works for our transaction patterns.

  • Tempo testnet node running
  • End-to-end payment transaction validated
  • Stablecoin gas payment confirmed
Q1 2026
Developer Preview
AT Protocol SDK: developer preview
In progress

The first public release of the Atmosphere Money SDK for atproto developers. Covers wallet creation, payment requests, gas sponsorship, and firehose event subscriptions.

  • Core wallet primitives (create, sign, sponsor)
  • Payment request & confirmation flow
  • ·Firehose payment event subscription
  • ·npm package & TypeScript types
  • React hooks library
Developer documentation & testnet access
In progress

Full integration guide, API reference, and guided quickstart for building payments into atproto apps. Testnet faucet and sandbox environment for zero-commitment development.

  • Quickstart guide
  • ·Full API reference docs
  • ·Testnet faucet (USDB test tokens)
  • GitHub SDK repository (public)
Q2 2026
Atpay Launch
Atpay consumer app: closed beta
Coming soon

The native payment wallet for AT Protocol enters closed beta. Atpay lets users send, receive, and manage payments directly from their atproto identity using USDB, with no separate wallet setup required.

  • iOS & Android apps
  • atproto DID-based payments (pay by handle)
  • USDB integration for fast, low-cost USD payments
  • Transaction history & receipts
  • Push notifications for payments received
On-ramp & off-ramp partners
Coming soon

Integrations with fiat on-ramp and off-ramp providers so users and apps can move between USD and USDB without leaving the Atmosphere ecosystem.

  • Initial on-ramp partner integrations
  • ACH & card-to-USDB flows
  • KYC/AML compliance layer
Q3–Q4 2026
Public Launch
Atpay public launch
Planned

Atpay opens to all users. The first consumer-grade wallet for the open social web, available globally, with support for every app in the Atmosphere ecosystem.

  • Public App Store & Play Store listings
  • Global fiat on/off-ramp coverage
  • Social payments (tips, splits, requests)
  • In-app ecosystem directory
AT Protocol SDK: v1.0 stable
Planned

Production-ready SDK release with full documentation, stability guarantees, and a growing library of ecosystem integrations for Bluesky, WhiteWind, and third-party atproto clients.

  • Stable v1 API surface
  • Bluesky in-app payment example
  • Subscription & recurring payment primitives
  • Creator split & revenue sharing module
2027
Native Stablecoins
USDAT & EURAT: testnet launch
Planned

Atmosphere Money's own native stablecoins go live on Tempo testnet. USDAT pegged 1:1 to USD and EURAT pegged 1:1 to EUR, with programmatic mint/redeem, compliance hooks, and cross-stablecoin routing through Tempo's native DEX.

  • USDAT token contract deployed on Tempo testnet
  • EURAT token contract deployed on Tempo testnet
  • Mint & redeem API for both currencies
  • USDB / USDC ↔ USDAT and EURC ↔ EURAT routing
  • Reserve attestation framework
USDAT & EURAT: mainnet launch
Planned

USDAT and EURAT move to Tempo mainnet. Full reserve audits published for both currencies, compliance registry live, and programmatic mint/redeem open to all verified integrators.

  • Tempo mainnet deployment
  • Third-party reserve audit
  • Open mint/redeem API for integrators
  • Compliance registry (KYC/AML)
  • Migration path from USDB to USDAT for existing users
2027+
Scale
Agentic payments & AI agent commerce
Planned

Programmable accounts for AI agents, enabling autonomous commerce, microtransaction-based API billing, and agent-to-agent payments on AT Protocol.

  • Agent wallet primitives
  • Usage-based billing API
  • Agent-to-agent payment flows
Cross-protocol & global expansion
Planned

Expand USDAT and EURAT beyond the Atmosphere, interoperability with other decentralized social protocols, additional fiat corridors, and enterprise API access for embedded finance.

  • ActivityPub protocol bridge
  • Additional currency stablecoins (GBP, SGD)
  • Enterprise embedded finance API

Build with us.

Whether you're an app developer, an investor, or a future design partner, we want to hear from you.

Get in touch Read the docs
Coming soon