curl https://dev.methodfi.com/simulate/payments/payment_instrument/pmt_inst_pd788hPVhLT37 \
-X POST \
-H "Method-Version: 2026-03-30" \
-H "Authorization: Bearer sk_WyZEWVfTcH7GqmPzUPk65Vjc" \
-H "Content-Type: application/json" \
-d '{
"amount": 5000,
"description": "Loan Pmt"
}'
{
"id": "pmt_rPrDPEwyCVUcm",
"reversal_id": null,
"source_trace_id": null,
"destination_trace_id": null,
"source": "acc_JMJZT6r7iHi8e",
"destination": "acc_AXthnzpBnxxWP",
"amount": 5000,
"description": "Loan Pmt",
"status": "processing",
"error": null,
"metadata": null,
"estimated_completion_date": "2025-12-11",
"source_settlement_date": "2025-12-09",
"destination_settlement_date": "2025-12-11",
"created_at": "2025-12-09T00:42:31.209Z",
"updated_at": "2025-12-09T00:43:30.996Z"
}
Simulations (Dev)
Create a Payment Instrument
POST
/
simulate
/
payments
/
payment_instruments
/
{pmt_inst_id}
curl https://dev.methodfi.com/simulate/payments/payment_instrument/pmt_inst_pd788hPVhLT37 \
-X POST \
-H "Method-Version: 2026-03-30" \
-H "Authorization: Bearer sk_WyZEWVfTcH7GqmPzUPk65Vjc" \
-H "Content-Type: application/json" \
-d '{
"amount": 5000,
"description": "Loan Pmt"
}'
{
"id": "pmt_rPrDPEwyCVUcm",
"reversal_id": null,
"source_trace_id": null,
"destination_trace_id": null,
"source": "acc_JMJZT6r7iHi8e",
"destination": "acc_AXthnzpBnxxWP",
"amount": 5000,
"description": "Loan Pmt",
"status": "processing",
"error": null,
"metadata": null,
"estimated_completion_date": "2025-12-11",
"source_settlement_date": "2025-12-09",
"destination_settlement_date": "2025-12-11",
"created_at": "2025-12-09T00:42:31.209Z",
"updated_at": "2025-12-09T00:43:30.996Z"
}
Simulates sending funds to the
inbound_achwire_payment Payment Instrument to create a Payment.
Path Parameters
Body
Returns
Returns a Payment object that is inprocessing status.
curl https://dev.methodfi.com/simulate/payments/payment_instrument/pmt_inst_pd788hPVhLT37 \
-X POST \
-H "Method-Version: 2026-03-30" \
-H "Authorization: Bearer sk_WyZEWVfTcH7GqmPzUPk65Vjc" \
-H "Content-Type: application/json" \
-d '{
"amount": 5000,
"description": "Loan Pmt"
}'
{
"id": "pmt_rPrDPEwyCVUcm",
"reversal_id": null,
"source_trace_id": null,
"destination_trace_id": null,
"source": "acc_JMJZT6r7iHi8e",
"destination": "acc_AXthnzpBnxxWP",
"amount": 5000,
"description": "Loan Pmt",
"status": "processing",
"error": null,
"metadata": null,
"estimated_completion_date": "2025-12-11",
"source_settlement_date": "2025-12-09",
"destination_settlement_date": "2025-12-11",
"created_at": "2025-12-09T00:42:31.209Z",
"updated_at": "2025-12-09T00:43:30.996Z"
}
⌘I