88-71 Eldert Lane, Queens, NY 11421
BBL 4088940083 (Borough 4, Block 8894, Lot 83) · BIN 4182739 · Last updated:
Also recorded in city data as: 88-71 Elderts Ln
Summary · as of October 31, 2026
88-71 Eldert Lane (Queens, NY 11421; tax lot BBL 4088940083) is a two-family home (building class B2: two-family home, frame (wood)), built around 1915, on a 1,743 sq ft lot zoned R3-1. City tax records list the owner as ELDENE114 GROUP CORP.; per ACRIS, a deed to this owner dated September 28, 2023 lists a price of $550,620. The Department of Finance's final market value for tax year 2027 is $889,000. As of October 31, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off, 12 open HPD violations and five OATH tickets with an unpaid balance. There was one 311 request in the past 12 months and seven HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- ELDENE114 GROUP CORP.
- Building class
- B2 · Two-family home, frame
- Year built · units
- 1915 · 2 res.
- Lot area · zoning
- 1,743 sq ft · R3-1
- Market value (DOF)
- $889,000 FY2027
- Last priced deed
- $550,620 · 2023-09-28
- BBL
- 4088940083
- BIN
- 4182739
- 2Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 12Open HPD violations
- 5OATH tickets with unpaid balance
How to cite: NYC Property Facts, “88-71 Eldert Lane, Queens, NY 11421 (BBL 4088940083)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/queens/88-71-eldert-lane-4088940083. Source: NYC Open Data.
Lot & building
Basic facts about the tax lot and building from the city’s PLUTO database.
- Owner (as listed by the city)
- ELDENE114 GROUP CORP.The owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- B2 – Two-family home, frame (wood)The Department of Finance’s category for what kind of building this is.
- Land use
- One- & two-family buildingsCity Planning’s broad category of how the lot is used.
- Year built
- 1915Often an estimate for older buildings.
- Floors
- 2
- Units
- 2 residential / 2 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,743 sq ft (22.58 ft × 77.17 ft)
- Building floor area
- 1,444 sq ft
- Zoning
- R3-1The zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 0.83 built / 0.75 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
- Identifiers
- BBL 4088940083 (Borough 4, Block 8894, Lot 83) · BIN 4182739BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-10-31; Building Footprints — city dataset updated 2026-10-25; data as of 2026-10-31
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $889,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
- Assessed value
- $53,340The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $32,054Assessed value minus any exemptions.
- Tax class
- Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $889,000 | $53,340 | 1 |
| 2026 | Final | $814,000 | $48,840 | 1 |
| 2025 | Final | $679,000 | $40,740 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-10-31
Sales & deed history 4
Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2023-09-28 | DEED | $550,620 | Hsbc Bank Usa National Association; Wells Fargo Asset Securities Corporation | Eldene114 Group Corp. | 2023101000190002 |
| 2019-08-12 | DEED | $600,000 | Cohen, David L Esq; Ruiz, Francia | Hsbc Bank Usa, National Association As Trustee For | 2019082000234001 |
| 2007-04-23 | DEED | $0 / not stated | Ruiz, Francia; Dejesus, Nadia; Dejesus-Melo, A/K/A Nadia | Ruiz, Francia | 2007050401677001 |
| 1996-03-07 | DEED | $0 / not stated | Grohl, Evelyn M; Grohl, George C. | Dejesus-Melo, Nadia; Dejesus, Nadia; Ruiz, Francia | FT_4130005109113 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-10-31
DOB job filings 2 open of 5
A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.
| Status | Job # | Type | Filed | Est. cost |
|---|---|---|---|---|
| Permitted, not signed off Permit Entire · 2026-08-28 | Q01323907-S1 DOB NOW | Alteration | 2025-12-03 | $36,005 |
| Permitted, not signed off Permit Entire · 2026-04-06 | Q01323907-I1 DOB NOW | Alteration | 2025-12-03 | $116,014 |
| Not open Approved · 2026-08-28 | Q01323907-P2 DOB NOW | Alteration | 2026-07-13 | $36,005 |
| Not open Approved · 2026-06-16 | Q01323907-P1 DOB NOW | Alteration | 2026-05-26 | $36,005 |
| Not open SIGNED OFF · 2009-07-01 | 410021211 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2007-10-24 | $4,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-10-30; data as of 2026-10-31; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
Work permits 4
Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.
| Issued | Expires | Job # | Work | Permit status |
|---|---|---|---|---|
| 2026-04-06 | 2026-12-23 | Q01323907-I1 DOB NOW | General Construction INTERIOR RENOVATION OF EXISTING 2 FAMILY TO RESOLVE ECB VIOLATIONS #3916229R AND 39165230Y ALL AS PER PLANS FILED HEREWITH. | Permit Issued |
| 2026-04-03 | 2027-04-03 | Q01323907-S1 DOB NOW | Plumbing APPLICATION FILED TO INSTALL NEW GAS PIPING AND PLUMBING FIXTURES AND TO MODIFY EXISTING PLUMBING FIXTURES TO RESOLVE ECB VIOLATIONS # #3916229R AND 39165230Y. | Permit Issued |
| 2008-10-08 | 2010-06-04 | 410021211 BIS | Plumbing / Plumbing | RE-ISSUED (initial) |
| 2008-10-08 | 2009-10-08 | 410021211 BIS | Equipment work / Mechanical/HVAC | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-10-30; data as of 2026-10-31; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 0 active of 0
Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).
No records found in this dataset for this lot.
Source: DOB Violations — city dataset updated 2026-10-31; data as of 2026-10-31
ECB violations (DOB) 0 active of 3
DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active means the condition has not been certified as corrected and/or the case is not resolved. A balance due is a fine the city says is unpaid.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved IN VIOLATION · CERTIFICATE ACCEPTED | 2025-10-28 | CLASS - 1 | AT TIME OF INSPECTION OBSERVED UNPERMITTED PLUMBING ACTIVITY; ALL EXISTING PLUMBING PIPES IN KITCHEN AND BATHROOMS WERE REMOVED TO FACILITATE DEMOLITION AND FULL GUT RENOVATIONS., OBTAIN PERMIT | $2,500 / $0 / $2,500 | 39165229R |
| Resolved IN VIOLATION · CERTIFICATE ACCEPTED | 2025-10-28 | CLASS - 1 | AT TIME OF INSPECTION OBSERVED UNPERMITTED CONSTRUCTION ACTIVITY TAKING PLACE TO FACILITATE INTERRIOR RENOVATIONS TO ENTIRE BUILDING; NEW 2X4 STUDS WERE INSTALLED FOR PARTITION WALLS., OBTAIN PERMIT | $2,500 / $0 / $2,500 | 39165230Y |
| Resolved STIPULATION/IN-VIO · CERTIFICATE ACCEPTED | 2007-09-21 | Non-Hazardous | OCCUPANCY CONTRARY TO DOB RECORDS. DOB RECORDS INDICATES RESIDENCE TO BE A LEGAL 2 FAMILY. ILLEGAL OCCUPANCY NOTED: @ CELLAR LEVEL CREATED AREHEARSAL STUDIO W/ MUSICAL INSTRUMENTS,COMPUTERS,SOFA,TV & 2 PC BTHRM | $400 / $400 / $0 | 34609950P |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-10-31
OATH tickets (all agencies) 5 unpaid of 13
Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| Unpaid balance Default DOCKETED · DEFAULTED | 2026-04-13 | Dos - Enforcement Agents | RECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITS | ELDENE114 GROUP CORP | $25 / $0 / $25 | 049757979H |
| Unpaid balance DOCKETED · IN VIOLATION | 2025-10-28 | Dept. Of Buildings | WORK WITHOUT A PERMIT | ELDENE114 GROUP CORP | $2,500 / $0 / $2,500 | 039165230Y |
| Unpaid balance DOCKETED · IN VIOLATION | 2025-10-28 | Dept. Of Buildings | WORK WITHOUT A PERMIT | ELDENE114 GROUP CORP | $2,500 / $0 / $2,500 | 039165229R |
| Unpaid balance Default DOCKETED · DEFAULTED | 2025-08-26 | Sanitation Others | SIDEWALK OBSTRUCTION | ELDENE114 GROUP CORP | $300 / $0 / $300 | 049233363M |
| Unpaid balance Default DOCKETED · DEFAULTED | 2024-09-06 | Sanitation Recycling | DIRTY AREA | ELDENE114 GROUP CORP | $300 / $0 / $300 | 047921911K |
| No balance due Default PAID IN FULL · DEFAULTED | 2022-08-24 | Sanitation Others | DIRTY SIDEWALK | HSBC BANK USA NATIONAL ASSOCIA | $300 / $300 / $0 | 047573685N |
| No balance due Default PAID IN FULL · DEFAULTED | 2020-10-28 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | HSBC BANK USA NATIONAL ASSOCIA | $130 / $130 / $0 | 0212800749 |
| No balance due Default PAID IN FULL · DEFAULTED | 2018-09-28 | Sanitation Recycling | UNCOVERED RECEPTACLES 1ST OFFENSE | RUIZ | $130 / $130 / $0 | 042757758J |
| No balance due PAID IN FULL | 2015-05-07 | Sanitation Dept | DIRTY AREA | RUIZ | $100 / $100 / — | 041106632Z |
| No balance due Default PAID IN FULL · DEFAULT | 2013-08-03 | Dos - Enforcement Agents | DIRTY SIDEWALK DIRTY AREA | RUIZ | $130 / $130 / — | 040805476M |
| No balance due Default PAID IN FULL · DEFAULTED | 2012-01-05 | Sanitation Others | IMPROPER DISPOSAL BEDDING 1ST OFFENSE | RUIZ | $130 / $130 / — | 0175107159 |
| No balance due PAID IN FULL | 2010-08-05 | Sanitation Others | MAINTAINING RECEPTACLES | RUIZ | $100 / $100 / — | 0171417822 |
Showing 12 of 13 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-10-31; data as of 2026-10-31
HPD registration & contacts
Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.
No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-10-31; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-10-31
HPD housing-code violations 12 open of 15
Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.
| Status | Class | Issued | Apt | Condition |
|---|---|---|---|---|
| Open Info Nov Sent Out · 2025-11-25 | I | 2025-11-25 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Info Nov Sent Out · 2024-12-05 | I | 2024-12-05 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Info Nov Sent Out · 2023-11-29 | I | 2023-11-29 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Nov Sent Out · 2023-06-12 | C | 2023-06-12 | 2 | § 27-2024 ADMIN. CODE: PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES THE WASH BASIN, SINK, AND BATHTUB IN THE ENTIRE APARTMENT LOCATED AT APT 2, 1st STORY, 1st APARTMENT FROM WEST AT NORTH |
| Open Nov Sent Out · 2023-06-12 | C | 2023-06-12 | 2 | § 27-2024 ADMIN. CODE: PROVIDE ADEQUATE SUPPLY OF COLD WATER FOR THE FIXTURES THE WASH BASIN, SINK, AND BATHTUB IN THE ENTIRE APARTMENT LOCATED AT APT 2, 1st STORY, 1st APARTMENT FROM WEST AT NORTH |
| Open Nov Sent Out · 2023-06-05 | C | 2023-06-05 | 2 | § 27-2024 ADMIN. CODE: PROVIDE ADEQUATE SUPPLY OF COLD WATER FOR THE FIXTURES .. IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH |
| Open Nov Sent Out · 2023-06-05 | C | 2023-06-05 | HOUSE | § 27-2024 ADMIN. CODE: PROVIDE ADEQUATE SUPPLY OF COLD WATER FOR THE FIXTURES .. IN THE ENTIRE APARTMENT LOCATED AT APT HOUSE, 1st STORY, 1st APARTMENT FROM NORTH AT EAST |
| Open Nov Sent Out · 2023-06-05 | C | 2023-06-05 | HOUSE | § 27-2024 ADMIN. CODE: PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES .. IN THE ENTIRE APARTMENT LOCATED AT APT HOUSE, 1st STORY, 1st APARTMENT FROM NORTH AT EAST |
| Open Info Nov Sent Out · 2022-11-18 | I | 2022-11-18 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Info Nov Sent Out · 2022-03-17 | I | 2022-03-17 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Info Nov Sent Out · 2021-04-22 | I | 2021-04-22 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Nov Sent Out · 2009-06-08 | B | 2009-06-08 | 2 | § 27-2073 ADM CODE - PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES GAS RANGE IN THE KITCHEN LOCATED AT APT 2, 2nd STORY |
| Closed Violation Closed · 2023-07-14 | C | 2023-06-05 | 2 | § 27-2024 ADMIN. CODE: PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES .. IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH |
| Closed Violation Closed · 2023-07-31 | C | 2023-05-01 | 1FL | § 27-2024 ADMIN. CODE: PROVIDE ADEQUATE SUPPLY OF COLD WATER FOR THE FIXTURES AT THE KITCHEN AND BATHROOM LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM WEST AT NORTH |
| Closed Violation Closed · 2023-07-31 | C | 2023-05-01 | 1FL | § 27-2024 ADMIN. CODE: PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES IN THE KITCHEN AND BATHROOM LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM WEST AT NORTH |
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-10-31; data as of 2026-10-31
HPD complaints 7
Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.
| Received | Status | Apt | Problem(s) | Outcome |
|---|---|---|---|---|
| 2025-08-25 | CLOSE | FIRSTF | Paint/Plaster – Ceiling | HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more in |
| 2025-08-24 | CLOSE | 1 | Water Leak – Heavy Flow Water Leak – Slow Leak | HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more in |
| 2023-06-03 | CLOSE | 1 | Plumbing – Water Supply | More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.The Department of Housing Preservation and Development contacted an occupant o |
| 2023-06-03 | CLOSE | 2 | Plumbing – Water Supply | The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd |
| 2023-05-24 | CLOSE | HOUSE | Plumbing – Water Supply | The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd |
| 2023-04-28 | CLOSE | 2 | Plumbing – Water Supply | The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd |
| 2023-04-25 | CLOSE | 1FL | Plumbing – Water Supply | The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd |
Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-10-31; data as of 2026-10-31
311 requests (last 12 months) 1
Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2026-02-18 | NYPD | Blocked Driveway – No Access | Closed | 2026-02-18 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-10-31; data as of 2026-10-31
Nearby properties
On Eldert Ln
- 317 Eldert Lane (three open items)
- 319 Eldert Lane (one open item)
- 321 Eldert Lane (nine open items)
- 323 Eldert Lane (one open item)
- 325 Eldert Lane
- 327 Eldert Lane
- 329 Eldert Lane (two open items)
- 331 Eldert Lane
- 335 Eldert Lane
- 337 Eldert Lane
Same tax block (8894)
- 88-25 Eldert Lane (15 open items)
- 88-27 Eldert Lane
- 88-29 Eldert Lane (one open item)
- 88-31 Eldert Lane
- 74-10 88th Road (15 open items)
- 74-12 88th Road (one open item)
- 74-14 88th Road (four open items)
- 74-16 88th Road (nine open items)
- 88-10 74th Place (one open item)
- 88-12 74th Place
All properties on Eldert Ln, Queens · All of Queens 11421 (Woodhaven)
Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs