AsterPay
API for settling USDC payments to EUR via SEPA Instant for AI agents and payroll.
Website: https://asterpay.io/
Cover Block
| Field | Value |
|---|---|
| Name | AsterPay |
| Tagline | API for settling USDC payments to EUR via SEPA Instant for AI agents and payroll |
| Headquarters | Birmingham, United Kingdom |
| Business Model | API / Developer Platform |
| Industry | Fintech |
| Technology Type | Blockchain / Web3 |
| Geography | Western Europe |
Links
- Website: https://asterpay.io/
- GitHub: https://github.com/AsterPay
- Companies House (ASTERPAY LTD, 15261650): https://find-and-update.company-information.service.gov.uk/company/15261650
- Circle Alliance Directory listing: https://partners.circle.com/partner/asterpay
- Whitepaper / Litepaper: https://asterpay.io/whitepaper/
- Hacker News post (Show HN): https://news.ycombinator.com/item?id=47375622
- Facebook (Aster-Pay Limited): https://www.facebook.com/asterpaylimited
What an Investor Needs First
AsterPay is a UK-based settlement API that converts USDC stablecoin payments into euros over SEPA Instant, with a stated focus on AI agents, payroll servicers, remittance providers, and marketplaces [Circle Alliance Directory] [AsterPay website]. The wedge is narrow but timely: as agentic commerce protocols emerge from large platforms, very few providers offer a single endpoint that accepts both Coinbase's x402 and the Stripe/Tempo MPP standard and lands the funds as euro bank credits within seconds [AsterPay website]. The company describes additional primitives, including a KYA (Know-Your-Agent) Trust Score from 0 to 100, x402r escrow with refunds, and session billing, all positioned as MiCA-compliant [AsterPay website]. Public information on the founding team, capitalization, and customer count is thin; no funding round has been disclosed and no investors are named in the cited sources. Investors should also note that a UK entity named ASTERPAY LTD (company number 15261650, registered at 15 Avery Avenue, Birmingham) is listed on Companies House as dissolved [GOV.UK], a status that warrants direct clarification with the team about which legal vehicle currently operates the asterpay.io product. The next 12 to 18 months will turn on three questions: whether the x402 and MPP agent-payment standards gain real transaction volume, whether AsterPay can secure or rent the e-money and payment-institution licensing required for at-scale euro settlement, and whether the operating entity behind the product is properly constituted and funded.
Data Accuracy: YELLOW -- Product claims confirmed by AsterPay website and Circle Alliance Directory; corporate status confirmed by GOV.UK; team and funding details not publicly available.
Taxonomy Snapshot
| Axis | Value |
|---|---|
| Business Model | API / Developer Platform |
| Industry / Vertical | Fintech, stablecoin settlement |
| Technology Type | Blockchain / Web3, payment rails |
| Geography | United Kingdom, settling into the SEPA zone |
| Funding | None publicly disclosed |
Inside the Company
AsterPay presents itself publicly as a settlement-layer API connecting stablecoin payment flows to euro bank accounts via SEPA Instant, headquartered in Birmingham, England [AsterPay website] [Circle Alliance Directory]. The company is listed in Circle's partner directory as a provider that “enables payroll servicers, remittance providers, and marketplaces to pay out dollar-denominated stablecoins as euros via SEPA Instant, including multi-currency support (EUR, GBP, AED) through licensed partners” [Circle Alliance Directory]. The phrase “through licensed partners” is meaningful: it indicates that the regulated euro settlement leg is sponsored rather than held directly by AsterPay itself, a common arrangement for early-stage fintech infrastructure firms.
A UK company named ASTERPAY LTD, registration number 15261650, was incorporated at 15 Avery Avenue, Birmingham, B16 0QF, and is currently shown as dissolved on the Companies House register [GOV.UK]. It is possible the operating entity behind asterpay.io has been re-domiciled or reconstituted under a different company number, but no such successor is confirmed in the cited sources, and the founding date of the current operating vehicle is not publicly available.
Beyond the corporate registry, the company maintains a developer presence on GitHub with 17 public repositories listed under the AsterPay organization [GitHub], a product website with a litepaper [AsterPay website], and a Show HN post titled “AsterPay - EUR Settlement for AI Agent Payments (USDC → EUR via SEPA Instant)” [Hacker News]. There is also an unrelated-looking Facebook page for “Aster-Pay Limited” describing a card-to-card peer-to-peer transfer service [Facebook].
Data Accuracy: YELLOW -- Product description corroborated by Circle Alliance Directory and AsterPay website; corporate status confirmed by GOV.UK; founding date and operating entity continuity not publicly available.
Under the Hood
The product is positioned as the “only API accepting both x402 (Coinbase) and MPP (Stripe/Tempo) payments” with USDC-to-EUR settlement over SEPA Instant [AsterPay website]. x402 is Coinbase's recently published HTTP 402-based payment protocol intended to let machine clients pay for API calls in stablecoins, and MPP refers to the Merchant Payment Protocol associated with Stripe and Tempo.
Around that core, AsterPay describes a set of trust and lifecycle primitives aimed specifically at AI agents [AsterPay website]: a KYA (Know-Your-Agent) Trust Score scaled 0 to 100, x402r escrow with refunds, session billing, and discovery features. The site also claims MiCA compliance, which in the EU context typically depends on partner licensing under the new crypto-asset regime rather than direct authorization for an early infrastructure firm; the cited sources do not name the licensed partner. The litepaper provides additional product framing under the title “Crypto payment infrastructure for AI applications” [AsterPay whitepaper].
On the engineering side, the public GitHub organization shows 17 repositories [GitHub], which is a non-trivial surface area for a company with no disclosed funding, though the cited material does not break down which repos are production code versus protocol references or examples.
Data Accuracy: YELLOW -- Product claims sourced to AsterPay website and Circle Alliance Directory; technical depth and production maturity not independently verified.
Market Research and Opportunity
Stablecoin-to-fiat settlement for machine-initiated payments is a market that did not meaningfully exist 24 months ago and is now being actively defined by Coinbase's x402 protocol and the Stripe/Tempo MPP work that AsterPay claims to support [AsterPay website]. The thesis is that as language-model agents start transacting on behalf of users, they will need a payment rail that is programmable, dollar-denominated for stability, and convertible into local fiat on the recipient side without bank-hour delay. SEPA Instant is a natural off-ramp for European recipients.
AsterPay sits inside Circle's official partner network for USDC distribution [Circle Alliance Directory], which is the demand-side anchor for the market. AsterPay's Circle directory blurb explicitly names payroll servicers, remittance providers, and marketplaces as target buyers, which suggests the go-to-market is not purely AI-agent-native and includes more conventional fintech customers as the near-term revenue base [Circle Alliance Directory].
Regulatory tailwinds and headwinds are intertwined. The EU's MiCA framework, now in force, provides a clearer authorization path for euro-denominated stablecoin services than existed previously, and AsterPay claims MiCA compliance via partner licensing [AsterPay website]. The same regime, however, raises the bar for direct issuance and for unhosted-wallet flows, which means infrastructure firms that do not control their own license depend on the continued goodwill and capacity of their sponsoring partners.
| Metric | Value |
|---|---|
| Stated target buyers | Payroll servicers, remittance providers, marketplaces |
| Supported settlement currencies | EUR, GBP, AED via licensed partners |
| Public GitHub repositories | 17 |
Data Accuracy: YELLOW -- Demand-side anchor confirmed by Circle Alliance Directory; named TAM figures not publicly available in the cited research.
Competition and Substitutes
AsterPay competes in a layered stack rather than a single category. At the protocol layer, Coinbase's x402 and the Stripe/Tempo MPP standard are the rails AsterPay rides; the competitive threat is that either Coinbase or Stripe extends downward into euro settlement directly. AsterPay's defense is dual-protocol neutrality: a merchant or agent platform that does not want to bet on x402 versus MPP has a reason to prefer an aggregator.
At the stablecoin off-ramp layer, the field is more crowded with named operators. Bridge (acquired by Stripe in 2024), BVNK, Conduit, Sphere, and the Circle Mint product itself are all building infrastructure that lets businesses move from stablecoins into local fiat. Most of these offerings are oriented toward established corporate and remittance customers rather than AI agents, which is where AsterPay's KYA Trust Score, x402r escrow, and session billing primitives become a differentiator if the agent-payment use case grows [AsterPay website].
Where AsterPay is most exposed today is on capital and licensing. Bridge, BVNK, and Conduit have raised disclosed venture rounds and have either secured or rented regulated permissions in multiple jurisdictions; AsterPay has no disclosed funding in the cited sources and operates its euro settlement “through licensed partners” [Circle Alliance Directory].
Data Accuracy: ORANGE -- Competitor names are analyst-supplied based on category knowledge; no head-to-head comparisons confirmed in the cited sources.
Opportunity
The size of the prize, if AsterPay executes, is to be the default euro settlement endpoint for an entire generation of agent-initiated payments. The cited evidence makes that outcome reachable on three counts: first, AsterPay is already listed in Circle's official partner directory [Circle Alliance Directory]; second, the company claims dual support for both major candidate protocols (x402 and MPP) [AsterPay website]; third, the agent-specific primitives (KYA Trust Score, x402r escrow, session billing) suggest the team is designing for the agent use case from first principles [AsterPay website].
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| Default agent-payment off-ramp | AsterPay's API is referenced in the documentation of one or more major agent frameworks | A documented integration with a Coinbase x402 reference implementation or a Stripe/Tempo MPP sample app | AsterPay already claims dual-protocol support [AsterPay website] |
| Embedded payroll rail | A payroll-servicer or contractor-payments platform routes USDC-to-EUR disbursements through AsterPay at scale | A signed partnership with a payroll or remittance provider | Circle's directory specifically names payroll servicers and remittance providers [Circle Alliance Directory] |
| Circle-network preferred partner | AsterPay becomes a featured EUR settlement option inside Circle's developer surfaces | Deeper Circle co-marketing or technical integration beyond directory listing | AsterPay is already in the Circle Alliance Directory [Circle Alliance Directory] |
Data Accuracy: YELLOW -- Opportunity framing is grounded in cited product claims and Circle partnership; comparable transaction values referenced as scenario anchors, not forecasts.
Sources
- [Circle Alliance Directory] AsterPay partner profile | https://partners.circle.com/partner/asterpay
- [AsterPay] Dual Protocol (x402 + MPP) Settlement API for AI Agents | https://asterpay.io/
- [AsterPay] Whitepaper / Litepaper | https://asterpay.io/whitepaper/
- [GOV.UK] ASTERPAY LTD (15261650) company overview | https://find-and-update.company-information.service.gov.uk/company/15261650
- [GOV.UK] ASTERPAY LTD (15261650) filing history | https://find-and-update.company-information.service.gov.uk/company/15261650/filing-history
- [GOV.UK] ASTERPAY LTD (15261650) people / officers | https://find-and-update.company-information.service.gov.uk/company/15261650/officers
- [GitHub] AsterPay organization page | https://github.com/AsterPay
- [Hacker News] AsterPay - EUR Settlement for AI Agent Payments (USDC → EUR via SEPA Instant) | https://news.ycombinator.com/item?id=47375622
- [Facebook] Aster-Pay Limited page | https://www.facebook.com/asterpaylimited
Articles about AsterPay
- AsterPay Wants Every AI Agent's Dollar Stablecoin to Land as Euros in Seconds — The Birmingham API bridges Coinbase's x402 and Stripe-Tempo's MPP, settling USDC into SEPA Instant rails for payroll and agent commerce.