Instant Payments
Business capabilities this tag reaches
Payments & Card Management 2
Providers using this tag (27)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 1 Complete, well-documented, and agent-ready
Strong 1 Solid coverage with minor gaps
Developing 8 Usable, with meaningful gaps to close
Thin 11 Limited public surface area
Emerging 4 Early or largely undocumented
APIs with this tag (18)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Exemplar 1 Complete, well-documented, and agent-ready
Strong 1 Solid coverage with minor gaps
Developing 3 Usable, with meaningful gaps to close
Cross River Instant Payments APIRTP, FedNow, and CRNow instant payments (COS Payments, /rtp).Montran Instant Payments APIReal-time instant payment processing with guaranteed end-to-end latency of a few secondsMontran Instant Payments SystemA robust 24/7, high-capacity, retail-focused payment solution that processes individual payments in real-ti...
Thin 8 Limited public surface area
Column Realtime Transfers APIThe Realtime Transfers API from Column — 2 operation(s) for realtime transfers.PagBank Pix APIPix (Brazilian Central Bank instant-payment rail) charge creation and collection. Supports QR-code generati...SVB Instant Payments APIThe Instant Payments API sends and tracks real-time payments over U.S. instant rails. Partners create payme...Thought Machine Vault Payments APIVault Payments is Thought Machine's cloud-native payments processing platform, able to run card, instant, b...Lead Bank Instant Payments APIThe Instant Payments API from Lead Bank — 7 operation(s) for instant payments.Cielo Pix APICielo Pix API exposes the Brazilian Central Bank's instant-payment rails on a Cielo-hosted endpoint. It imp...US Bank Instant Payments APIThe Instant Payments API enables instant payment origination supporting FedNow and RTP payment rails for re...PagBank PIX APIDedicated API for PIX instant payment infrastructure in Brazil. Supports immediate charge creation via QR c...
Emerging 4 Early or largely undocumented
PicPay PIX APIREST API for accepting PIX (Brazil's instant payment rail) as a payment method in ecommerce. Supports PIX c...Asaas Pix APIEndpoints for Pix instant payments - static and dynamic QR codes, Pix keys (CPF/CNPJ/email/phone/random), Q...AstroPay PIX APIPIX integration on the AstroPay platform for Brazil's instant payment rail. Create PIX charges, receive PIX...RTP Network (ISO 20022 Messaging)The RTP network is The Clearing House's real-time payments scheme for the United States, moving credit-push...
Minimal 1 Almost no public developer surface
Score breakdown
Frequency
41.1
log-scaled weighted occurrences
Breadth
0.7
spread across providers
Quality lift
43.2
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor
Related tags
Real-Time Payments 9 co-occurrences
ACH 14 co-occurrences
RTP 5 co-occurrences
ISO 20022 5 co-occurrences
Pix 6 co-occurrences
Money Movement 5 co-occurrences
Ledger 5 co-occurrences
Disputes 5 co-occurrences
Where this tag comes from
Api tag22
Provider tag9
Openapi tag2
Openapi op tag6
Cohort brief
Auto-generatedThe 27 providers in the APIs.io catalog tagged Instant Payments, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.
Providers
27
all scored
Mean Kin Score
35.7
+15.0 vs catalog 20.7
Mean Agent Readiness
21.8
+12.1 vs catalog 9.7
Spread
3.3–75.4
median 36.6 · σ 16.1
How the 27 split by band
Exemplar 1Strong 2Developing 7Thin 11Emerging 5Minimal 1
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Developer Ergonomics | 40.2 | 17.9 | +22.3 | 27 |
| Contract Quality | 38.5 | 17.5 | +21 | 27 |
| Discoverability | 73.3 | 60.4 | +12.9 | 27 |
| Operational Transparency | 23.8 | 11.3 | +12.5 | 27 |
| Access Clarity | 29.8 | 22.3 | +7.5 | 27 |
| Contract Governance | 10.4 | 6.4 | +4 | 27 |
A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.
What this cohort publishes
| Artifact | This cohort | Catalog | Difference |
|---|---|---|---|
| MCP server (any) | 22% | 16% | +6 |
| MCP server (first-party) | 15% | 7% | +8 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 19% | 9% | +10 |
| Security | 100% | 88% | +12 |
| Arazzo workflows | 4% | 2% | +2 |
| Governance rules | 15% | 13% | +2 |
mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.
Top by Kin Score
- 1 Highnote 75.4
- 2 Dwolla 62.6
- 3 TabaPay 54.7
- 4 Fintecture 54.2
- 5 BMO 48.5
- 6 Orum 47.8
- 7 Cross River 44.9
- 8 Montran 44.2
- 9 Customers Bank 41.6
- 10 Astra 40.7
Top by Agent Readiness
- 1 Dwolla 48.6
- 2 Customers Bank 48.4
- 3 TabaPay 41.5
- 4 Lead Bank 38.8
- 5 Orum 38.8
- 6 Highnote 32.9
- 7 BMO 31.4
- 8 US Bancorp 30.6
- 9 Thought Machine 28.1
- 10 Montran 27.3
All 27 members of this roster resolve to a scored provider in
the catalog.Generated from the catalog build of
25 August 2026, across 26891
providers, using the same computation served by the
APIs.io cohort API. Briefs are published for rosters of
5 or more scored providers; below that a distribution is not meaningful.
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.