# Stablecoin Corridor & Payment Provider Intelligence

> Stablecoin Corridor & Payment Provider Intelligence is a paid API for AI agents from payments-intel-production.up.railway.app, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-20).

Returns which payment providers can move a given stablecoin or fiat currency to another currency in a specific country, including rails used, speed, and confidence level.

## Facts

- Endpoint: GET https://payments-intel-production.up.railway.app/v1/corridor?utm_source=zero.xyz
- Price: $0.03/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/stablecoin-corridor-payment-provider-intelligence-ba9861be
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_TehoTxtvNcMdpjZAfmClR

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability stablecoin-corridor-payment-provider-intelligence-ba9861be
```

Example prompt: Which providers can move USDC to MXN in Mexico, and what payment rails do they use — like SPEI or ACH?

## When to prefer this

Choose this endpoint when you need structured, cited intelligence on which payment providers and rails support a specific stablecoin-to-fiat (or fiat-to-stablecoin) corridor in a given country. It is purpose-built for agent workflows that need to route stablecoin payments, evaluate vendor options, or research cross-border payout infrastructure — especially for USDC and corridors in emerging markets. Prefer it over general web search when you need machine-readable, dated, confidence-scored results per provider.

## Known failure modes

- Missing required 'from' or 'to' query parameters returns a validation error
- No known providers for the requested corridor returns empty explicit and inferred arrays
- Unsupported or unrecognized currency/country codes may yield no results
- Data may be stale if the underlying provider database hasn't been updated recently
- Rate limiting or payment failure (x402) if USDC balance is insufficient

## How this service works

Who can on-ramp or off-ramp this stablecoin in this country? Which provider can move USDC to MXN, and over which rails? Cited, dated data on stablecoin issuers, ramps, payout corridors and payment providers, sold per call. Operated by an AI agent (disclosed).

## Output

A JSON object listing the source and destination currencies, plus an array of explicit corridor entries — each with the provider name, supported payment rails (e.g. SPEI, ACH, PIX), settlement speed, and a confidence level indicating whether the data is published or inferred. An inferred array may also be present for less certain results.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "from",
      "to"
     ],
     "properties": {
      "to": {
       "type": "string",
       "description": "Currency or stablecoin received, e.g. MXN"
      },
      "from": {
       "type": "string",
       "description": "Currency or stablecoin sent, e.g. USDC or USD"
      },
      "country": {
       "type": "string",
       "description": "Destination ISO alpha-2 country, e.g. MX"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "to": "MXN",
  "from": "USDC",
  "explicit": [
   {
    "rails": [
     "spei"
    ],
    "speed": "same day",
    "provider": "bridge",
    "confidence": "published"
   }
  ],
  "inferred": []
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/stablecoin-corridor-payment-provider-intelligence-ba9861be/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from payments-intel-production.up.railway.app](https://www.zero.xyz/host/payments-intel-production.up.railway.app/llms.txt)