Getting started
Transactions
Get ERA
curl --request GET \
--url https://api.getlemma.com/v0/transactions/{id}/era \
--header 'Authorization: Bearer <token>'{
"id": "era_Hn7wFj3cTd9yXk5v",
"transaction_id": "transaction_Wp5mRx3nKv8bTh2d",
"payer": {
"name": "Aetna Health Insurance",
"id": "60054"
},
"payee": {
"name": "Riverside Family Medicine",
"npi": "1234567890"
},
"payment": {
"amount": 325000,
"method": "check",
"check_number": "8294751036",
"date": "2026-03-12T00:00:00Z"
},
"claims": [
{
"patient_control_number": "CLM-2026-03-1542",
"payer_claim_number": "ACN7829304561",
"status": "paid",
"charged_amount": 250000,
"paid_amount": 187500,
"patient_responsibility": 5000,
"patient": {
"name": "Jane Smith",
"subscriber_id": "W123456789"
},
"service_date": "2026-02-15T00:00:00Z",
"service_end_date": null,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 57500
}
],
"service_lines": [
{
"procedure_code": "99213",
"modifiers": ["25"],
"charged_amount": 150000,
"paid_amount": 112500,
"units": 1,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 37500
}
],
"remark_codes": []
},
{
"procedure_code": "90471",
"modifiers": [],
"charged_amount": 100000,
"paid_amount": 75000,
"units": 1,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 20000
},
{
"group": "PR",
"reason_code": "2",
"reason": "Coinsurance amount",
"amount": 5000
}
],
"remark_codes": ["N130"]
}
]
},
{
"patient_control_number": "CLM-2026-03-1587",
"payer_claim_number": "ACN7829304598",
"status": "paid",
"charged_amount": 175000,
"paid_amount": 137500,
"patient_responsibility": 0,
"patient": {
"name": "John Doe",
"subscriber_id": "W987654321"
},
"service_date": "2026-02-16T00:00:00Z",
"service_end_date": null,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 37500
}
],
"service_lines": [
{
"procedure_code": "99214",
"modifiers": [],
"charged_amount": 175000,
"paid_amount": 137500,
"units": 1,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 37500
}
],
"remark_codes": []
}
]
}
]
}
Transactions
Get ERA
Retrieve the parsed 835 Electronic Remittance Advice for a transaction.
GET
/
v0
/
transactions
/
{id}
/
era
Get ERA
curl --request GET \
--url https://api.getlemma.com/v0/transactions/{id}/era \
--header 'Authorization: Bearer <token>'{
"id": "era_Hn7wFj3cTd9yXk5v",
"transaction_id": "transaction_Wp5mRx3nKv8bTh2d",
"payer": {
"name": "Aetna Health Insurance",
"id": "60054"
},
"payee": {
"name": "Riverside Family Medicine",
"npi": "1234567890"
},
"payment": {
"amount": 325000,
"method": "check",
"check_number": "8294751036",
"date": "2026-03-12T00:00:00Z"
},
"claims": [
{
"patient_control_number": "CLM-2026-03-1542",
"payer_claim_number": "ACN7829304561",
"status": "paid",
"charged_amount": 250000,
"paid_amount": 187500,
"patient_responsibility": 5000,
"patient": {
"name": "Jane Smith",
"subscriber_id": "W123456789"
},
"service_date": "2026-02-15T00:00:00Z",
"service_end_date": null,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 57500
}
],
"service_lines": [
{
"procedure_code": "99213",
"modifiers": ["25"],
"charged_amount": 150000,
"paid_amount": 112500,
"units": 1,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 37500
}
],
"remark_codes": []
},
{
"procedure_code": "90471",
"modifiers": [],
"charged_amount": 100000,
"paid_amount": 75000,
"units": 1,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 20000
},
{
"group": "PR",
"reason_code": "2",
"reason": "Coinsurance amount",
"amount": 5000
}
],
"remark_codes": ["N130"]
}
]
},
{
"patient_control_number": "CLM-2026-03-1587",
"payer_claim_number": "ACN7829304598",
"status": "paid",
"charged_amount": 175000,
"paid_amount": 137500,
"patient_responsibility": 0,
"patient": {
"name": "John Doe",
"subscriber_id": "W987654321"
},
"service_date": "2026-02-16T00:00:00Z",
"service_end_date": null,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 37500
}
],
"service_lines": [
{
"procedure_code": "99214",
"modifiers": [],
"charged_amount": 175000,
"paid_amount": 137500,
"units": 1,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 37500
}
],
"remark_codes": []
}
]
}
]
}
Returns the parsed Electronic Remittance Advice (ERA) data for a transaction that originated from an insurance payment. The response contains the structured 835 data including claim-level payment details, adjustments, and service line breakdowns.Documentation Index
Fetch the complete documentation index at: https://docs.getlemma.com/llms.txt
Use this file to discover all available pages before exploring further.
Path parameters
The ID of the transaction. You can find transaction IDs using the List
transactions endpoint.
Response
Returns an ERA object containing one or more claim payments.Unique identifier for the ERA.
The ID of the transaction this ERA is associated with.
The individual claim payments included in this remittance.
Show Claim object
Show Claim object
The provider-assigned claim identifier (CLP01). This is the claim number
you submitted to the payer.
The payer-assigned claim control number (CLP07).
The claim payment status. One of
paid, denied, primary_forwarded, or
partial.The total billed amount for the claim in cents (CLP03).
The amount the payer paid for this claim in cents (CLP04). Can be
0 for
denied claims or when applied entirely to adjustments.The amount the patient owes in cents (CLP05). Includes copays,
coinsurance, and deductible.
The end of the service period, if the claim spans multiple dates.
Claim-level adjustments explaining why the paid amount differs from the
charged amount.
Show Adjustment object
Show Adjustment object
The adjustment group code. One of
CO (contractual obligation), PR
(patient responsibility), OA (other adjustment), or PI (payor
initiated).The ANSI reason code (e.g.,
45 for charges exceeding the fee
schedule).A human-readable description of the adjustment reason.
The adjustment amount in cents.
Individual service line details within the claim.
Show Service line object
Show Service line object
The CPT or HCPCS procedure code.
Procedure code modifiers, if any.
The billed amount for this service line in cents.
The amount paid for this service line in cents.
The number of units billed.
Service-line-level adjustments. Same structure as claim-level
adjustments.
Healthcare remark codes providing additional explanation (e.g., ANSI
remark codes like
N130).{
"id": "era_Hn7wFj3cTd9yXk5v",
"transaction_id": "transaction_Wp5mRx3nKv8bTh2d",
"payer": {
"name": "Aetna Health Insurance",
"id": "60054"
},
"payee": {
"name": "Riverside Family Medicine",
"npi": "1234567890"
},
"payment": {
"amount": 325000,
"method": "check",
"check_number": "8294751036",
"date": "2026-03-12T00:00:00Z"
},
"claims": [
{
"patient_control_number": "CLM-2026-03-1542",
"payer_claim_number": "ACN7829304561",
"status": "paid",
"charged_amount": 250000,
"paid_amount": 187500,
"patient_responsibility": 5000,
"patient": {
"name": "Jane Smith",
"subscriber_id": "W123456789"
},
"service_date": "2026-02-15T00:00:00Z",
"service_end_date": null,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 57500
}
],
"service_lines": [
{
"procedure_code": "99213",
"modifiers": ["25"],
"charged_amount": 150000,
"paid_amount": 112500,
"units": 1,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 37500
}
],
"remark_codes": []
},
{
"procedure_code": "90471",
"modifiers": [],
"charged_amount": 100000,
"paid_amount": 75000,
"units": 1,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 20000
},
{
"group": "PR",
"reason_code": "2",
"reason": "Coinsurance amount",
"amount": 5000
}
],
"remark_codes": ["N130"]
}
]
},
{
"patient_control_number": "CLM-2026-03-1587",
"payer_claim_number": "ACN7829304598",
"status": "paid",
"charged_amount": 175000,
"paid_amount": 137500,
"patient_responsibility": 0,
"patient": {
"name": "John Doe",
"subscriber_id": "W987654321"
},
"service_date": "2026-02-16T00:00:00Z",
"service_end_date": null,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 37500
}
],
"service_lines": [
{
"procedure_code": "99214",
"modifiers": [],
"charged_amount": 175000,
"paid_amount": 137500,
"units": 1,
"adjustments": [
{
"group": "CO",
"reason_code": "45",
"reason": "Charge exceeds fee schedule/maximum allowable",
"amount": 37500
}
],
"remark_codes": []
}
]
}
]
}
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