1524 First Avenue, Upper East Side-Carnegie Hill, Manhattan, NY 10075
BBL 1015597501 (Borough 1, Block 1559, Lot 7501) · BIN 1091951, 1050357 · Last updated: · Upper East Side-Carnegie Hill · ZIP 10075
Also recorded in city data as: 1522 1 Ave · 1516 1 Ave
Summary · as of November 10, 2026
1524 First Avenue (Manhattan, NY 10075; tax lot BBL 1015597501) is a condominium (building class RA: condominium (subtype RA)), built around 2023, on a 20,434 sq ft lot zoned R10A. City tax records list the owner as 1524-1ST AVENUE REALTY CO. LLC. As of November 10, 2026, NYC Open Data shows 12 DOB jobs with a permit issued but no sign-off, seven active DOB safety violations (DOB NOW), two active ECB violations and one OATH ticket with an unpaid balance. There were six 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- 1524-1ST AVENUE REALTY CO. LLC
- Building class
- RA · Condominium
- Year built · units
- 2023 · 0 res.
- Lot area · zoning
- 20,434 sq ft · R10A
- Market value (DOF)
- $0 FY2027
- Last priced deed
- —
- BBL
- 1015597501
- BIN
- 1091951, 1050357
- 12Open DOB jobs (permit issued, no sign-off)
- 7Active DOB violationsBIS 0 · DOB NOW safety 7
- 2Active ECB violations
- 0Open HPD violations
- 1OATH tickets with unpaid balance
How to cite: NYC Property Facts, “1524 First Avenue, Manhattan, NY 10075 (BBL 1015597501)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/manhattan/1524-first-avenue-1015597501. 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)
- 1524-1ST AVENUE REALTY CO. LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- RA – Condominium (subtype RA)The Department of Finance’s category for what kind of building this is.
- Land use
- Public facilities & institutionsCity Planning’s broad category of how the lot is used.
- Year built
- 2023Often an estimate for older buildings. Major alteration recorded: 2023.
- Floors
- 30
- Units
- 0 residential / 6 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 20,434 sq ft
- Building floor area
- 283,912 sq ft (incl. 283,912 sq ft commercial)
- Zoning
- R10A, C1-9, C1-5The zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
- Built vs. allowed density (FAR)
- 13.89 built / 10.00 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 1015597501 (Borough 1, Block 1559, Lot 7501) · BIN 1091951, 1050357BBL 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; last loaded 2026-11-10; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08; checked unchanged 2026-11-10
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $0The 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
- $0The portion of market value that taxes are calculated on (capped by law for small homes).
- Tax class
- Tax class 2 – residential, 4+ units
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $0 | $0 | 2 |
| 2026 | Final | $0 | $0 | 2 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-10
Sales & deed history 0
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.
No records found in this dataset for this lot.
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-10; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-10; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-10
DOB job filings 12 open of 55
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 · 2026-07-16 | M01364197-S1 DOB NOW | Alteration | 2026-03-27 | — |
| Permitted, not signed off Permit Entire · 2026-07-16 | M01364183-S3 DOB NOW | Alteration | 2026-03-27 | — |
| Permitted, not signed off Permit Entire · 2026-07-15 | M01364197-S3 DOB NOW | Alteration | 2026-03-27 | — |
| Permitted, not signed off Permit Entire · 2026-07-15 | M01364197-I1 DOB NOW | Alteration | 2026-03-27 | $17,732,000 |
| Permitted, not signed off Permit Entire · 2025-04-15 | M01130195-I1 DOB NOW | Alteration | 2024-11-09 | — |
| Permitted, not signed off Permit Entire · 2024-12-18 | M00623712-Z4 DOB NOW | New Building | 2024-02-06 | $1,000 |
| Permitted, not signed off Permit Entire · 2025-04-08 | M00623712-Z5 DOB NOW | New Building | 2024-02-06 | $1,000 |
| Permitted, not signed off Permit Entire · 2025-11-18 | M00623712-S1 DOB NOW | New Building | 2021-12-14 | $1,000 |
| Permitted, not signed off Permit Entire · 2025-11-18 | M00623712-S2 DOB NOW | New Building | 2021-12-14 | $1,000 |
| Permitted, not signed off Permit Entire · 2026-09-09 | M00623712-I1 DOB NOW | New Building | 2021-11-23 | $1 |
| Permitted, not signed off Permit Entire · 2020-12-28 | M00069606-I1 DOB NOW | Alteration | 2018-08-20 | $10,000 |
| Permitted, not signed off Permit Entire · 2021-02-01 | M00052028-I1 DOB NOW | Alteration | 2018-06-13 | $1,000 |
| Not open APPLICATION PROCESSED - ENTIRE · 2026-09-14 | 141031103 BIS | A3 – Minor alteration (one type of work) | 2026-08-20 | $10,000 |
| Not open APPLICATION PROCESSED - ENTIRE · 2026-09-14 | 141031112 BIS | A3 – Minor alteration (one type of work) | 2026-08-20 | $10,000 |
| Not open Approved · 2026-04-03 | M01364183-I1 DOB NOW | Alteration | 2026-03-27 | $13,241,000 |
| Not open Approved · 2026-04-01 | M01364197-S2 DOB NOW | Alteration | 2026-03-27 | — |
| Not open Approved · 2026-03-30 | M01364183-S2 DOB NOW | Alteration | 2026-03-27 | — |
| Not open Approved · 2026-04-02 | M01364183-S1 DOB NOW | Alteration | 2026-03-27 | — |
| Not open Approved · 2025-11-18 | M00623712-C5 DOB NOW | New Building | 2025-11-05 | $1,000 |
| Not open Approved · 2025-11-18 | M00623712-C4 DOB NOW | New Building | 2025-11-05 | $1,000 |
Showing 20 of 55 records. The API and the source dataset have the full list.
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-09; last loaded 2026-11-10; DOB Job Application Filings (BIS) — city dataset updated 2026-11-09; last loaded 2026-11-10
Work permits 64
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 |
|---|---|---|---|---|
| 2026-07-16 | 2026-12-30 | M01364183-S3 DOB NOW | Structural HSS @80: Structural modifications at partial 1st, 3rd & 7th Floor as per plans. no change to use, egress or occupancy | Permit Issued |
| 2026-07-16 | 2026-12-30 | M01364197-S1 DOB NOW | Mechanical Systems HSS @80: Modification of HVAC equipment and ductwork to accommodate alterations within the existing office building as per plans. No change to use, egress or oc | Permit Issued |
| 2026-07-15 | 2026-12-30 | M01364197-I1 DOB NOW | General Construction HSS@80: Modification of interior partitions and finishes to accommodate alterations for the new medical offices as per plans. | Permit Issued |
| 2026-07-15 | 2026-12-30 | M01364197-S3 DOB NOW | Structural HSS @80: Structural modifications as per plans. no change to use, egress of occupancy. | Permit Issued |
| 2025-09-30 | 2026-08-28 | M00623712-I1 DOB NOW | General Construction CONSTRUCTION OF A NEW BUILDING. | Permit Issued |
| 2025-06-10 | 2025-10-01 | M00623712-S5 DOB NOW | Curb Cut NEW PROPOSED CURB CUT FILED IN CONJUNCTION WITH NEW BUILDING APPLICATION | Signed-off |
| 2025-04-08 | 2026-03-09 | M00623712-Z5 DOB NOW | Boiler Equipment APPLICATION FILLED FOR THE BOILERS ON 30TH FLOOR FOR THE NEW BUILDING #M00623712-I1 | Signed-off |
| 2025-03-06 | 2025-11-25 | M00623712-S7 DOB NOW | Sprinklers SPRINKLER AND STANDPIPE WORK IN CONJUCTION WITH CONSTACTION OF A NEW BUILDING. | Signed-off |
| 2025-03-06 | 2025-11-25 | M00623712-S7 DOB NOW | Standpipe SPRINKLER AND STANDPIPE WORK IN CONJUCTION WITH CONSTACTION OF A NEW BUILDING. | Signed-off |
| 2025-03-04 | 2025-11-25 | M00623712-S7 DOB NOW | Standpipe SPRINKLER AND STANDPIPE WORK IN CONJUCTION WITH CONSTACTION OF A NEW BUILDING. | Signed-off |
| 2025-03-04 | 2025-11-25 | M00623712-S7 DOB NOW | Sprinklers SPRINKLER AND STANDPIPE WORK IN CONJUCTION WITH CONSTACTION OF A NEW BUILDING. | Signed-off |
| 2025-02-24 | 2025-12-31 | M00623712-I1 DOB NOW | General Construction CONSTRUCTION OF A NEW BUILDING. | Permit Issued |
Showing 12 of 64 records. The API and the source dataset have the full list.
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-09; last loaded 2026-11-10; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07
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). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.
No records found in this dataset for this lot.
Source: DOB Violations — city dataset updated 2026-11-09; last loaded 2026-11-10
DOB safety violations (DOB NOW) 7 active of 7
Safety violations DOB NOW publishes for devices such as boilers, elevators and gas piping (Local Law 152). Active means the published status is Active. Dismissed, cured, waived and successfully disputed violations are counted under “resolved or not active” and are not open items. Active ones are included in the summary’s active DOB violation total.
| Status | Issued | Type | Device | Number | Remarks |
|---|---|---|---|---|---|
| Active Active | 2026-10-02 | FTF-VT-PER-CO | Elevators | VIO-FTF-VT-PER-202512-0000012 | Violation Issued-Failure To File 2025 Periodic Inspection Report |
| Active Active | 2026-10-02 | FTF-VT-PER-CO | Elevators | VIO-FTF-VT-PER-202512-0000014 | Violation Issued-Failure To File 2025 Periodic Inspection Report |
| Active Active | 2026-10-02 | FTF-VT-PER-CO | Elevators | VIO-FTF-VT-PER-202512-0000009 | Violation Issued-Failure To File 2025 Periodic Inspection Report |
| Active Active | 2026-10-02 | FTF-VT-PER-CO | Elevators | VIO-FTF-VT-PER-202512-0000010 | Violation Issued-Failure To File 2025 Periodic Inspection Report |
| Active Active | 2026-10-02 | FTF-VT-PER-CO | Elevators | VIO-FTF-VT-PER-202512-0000013 | Violation Issued-Failure To File 2025 Periodic Inspection Report |
| Active Active | 2026-10-02 | FTF-VT-PER-CO | Elevators | VIO-FTF-VT-PER-202512-0000011 | Violation Issued-Failure To File 2025 Periodic Inspection Report |
| Active Active | 2026-09-25 | FTF-EN-BENCH | Benchmarking - LL84 | VIO-FTF-EN-BENCH-202608-0166365 | FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4 |
Source: DOB Safety Violations (DOB NOW) — city dataset updated 2026-11-09; last loaded 2026-11-10
ECB violations (DOB) 2 active of 6
DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved Hearing: ADMIT/IN-VIO · Certification: CERTIFICATE ACCEPTED | 2024-08-07 | CLASS - 2 | RESPONDENT FAILED TO CORRECT THE VIOLATING CONDITION AND FILE FOR A CERTIFICATE OF CORRECTION PURSUANT TO AC-28-204.4 FOR VIOLATION NO. 39529585H ISSUED DATED 06/13/2024. AT TIME OF INSPECTION, SITE FOUND ACTIV | $1,280 / $1,280 / $0 | 39531184J |
| Resolved Hearing: DISMISSED · Certification: CERTIFICATE ACCEPTED | 2024-06-18 | CLASS - 2 | OBSERVED 6 OUTRIGGER BEAMS SUSPENDED SCAFFOLD INSTALLED/IN USE AT ROOF/16/11 FLOORS WITH TIEBACKS/LIFELINES ATTACHED TO ANGLES PLATES INSTALLED/BOLTED TO SLAB -UPPON ASKING FOR PULL TEST FOR THOSE LOCATIONS -N | $0 / $0 / $0 | 39529759Z |
| Active Hearing: PENDING | 2025-04-12 | CLASS - 2 | EXP1 OBSERVED BOTTOM SWS DECK EXPOSED YELLOW ROMEX CABLE TRAVEL ALONG DECK,EXP2 YELLOW ROMEX CABLE CONTINUE TO BE EXPOSED WITH OPEN JUNCTION BOX EXPOSING HOT AND NEUTRAL WIRES,BC3307.6.5.1 STIPULATES SWS SHALL | $10,000 / $0 / $10,000 | 39539033Z |
| Resolved Hearing: ADMIT/IN-VIO · Certification: CERTIFICATE ACCEPTED | 2025-05-29 | CLASS - 1 | RESPONDED TO AN INCIDENT INVOLVING A SCHOOL BUS THAT MADE CONTACT WITH YODOCK BARRIERS. INSPECTION REVEALED THAT THE BARRIERS WERE MISSING COUPLING DEVICES THROUGHOUT. ADDITIONALLY,2X4 WOODEN PIECES HAD BEEN SC | $2,530 / $2,530 / $0 | 39540790Y |
| Active Hearing: DEFAULT · Certification: NO COMPLIANCE RECORDED | 2025-04-12 | CLASS - 2 | 130PM OBSERVED FENCE CHAINED PADLOCK NO ACTIVITY AT SITE,REVIEWED NB PERMIT REVEALED BUILDING FOOTPRINT MORE THEN 5000 SQ FEET REQUIRING WATCHPERSON DURING ALL HOURS WHEN OPERATIONS NOT IN PROGRESS PER BC3303.3 | $2,530 / $2,530 / $0 | 39539032R |
| Resolved Hearing: DISMISSED · Certification: N/A - DISMISSED | 2025-09-20 | CLASS - 2 | I OBSERVED PLASTIC PEDESTRIAN AND VEHICULAR TRAFFIC BARRIERS IN USE AT EXPOSURE TWO AND FOUR, CONTRARY TO MANUFACTURER'S SPECIFICATIONS. MISSING INTERLOCKING DEVICES AND NOT FILLED WITH EITHER WATER OR SAND TO | $0 / $0 / $0 | 39545127K |
Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-10
OATH tickets (all agencies) 1 unpaid of 12
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 HEARING COMPLETED · IN VIOLATION | 2026-07-16 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | UES RESIDENTIAL LLC | $935 / $0 / $935 | 012184953L |
| No balance due HEARING COMPLETED · DISMISSED | 2026-07-23 | Cooling Towers - Dohmh | FAILURE TO REPORT LEGIONELLA SAMPLE TEST DATE WITHIN 5 DAYS | UES RESIDENTIAL LLC | $0 / $0 / $0 | 0881343679 |
| No balance due PAID IN FULL · IN VIOLATION | 2026-02-09 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | UES RESIDENTIAL LLC | $935 / $935 / $0 | 012181231X |
| Hearing pending RESCHEDULED · ADJOURNED | 2025-11-22 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | UES RESIDENTIAL LLC | $0 / $0 / $0 | 012177341P |
| No balance due HEARING COMPLETED · DISMISSED | 2025-09-20 | Dept. Of Buildings | MISCELLANEOUS VIOLATIONS | LENDLEASE US CONSTRUCTION | $0 / $0 / $0 | 039545127K |
| No balance due PAID IN FULL · SETTL IN-VIO | 2025-09-01 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | UES RESIDENTIAL LLC | $1,000 / $877 / $0 | 012170470J |
| No balance due PAID IN FULL · ADMIT IN-VIO | 2025-05-29 | Dept. Of Buildings | FAILURE TO COMPLY WITH MANUFACTURER SPECIFICATIONS | LENDLEASE US CONSTRUCTION | $2,530 / $2,530 / $0 | 039540790Y |
| No balance due HEARING COMPLETED · DISMISSED | 2025-05-27 | Dos - Enforcement Agents | ILLEGAL POSTING OF HANDBILL NOTICE | FRIENDS OF COLLIN THOMPSON | $0 / $0 / $0 | 049125495X |
| No balance due HEARING COMPLETED · DISMISSED | 2025-05-27 | Dos - Enforcement Agents | ILLEGAL POSTING OF HANDBILL NOTICE | FRIENDS OF COLLIN THOMPSON | $0 / $0 / $0 | 049125492K |
| No balance due HEARING COMPLETED · DISMISSED | 2025-05-27 | Dos - Enforcement Agents | ILLEGAL POSTING OF HANDBILL NOTICE | FRIENDS OF COLLIN THOMPSON | $0 / $0 / $0 | 049125494Y |
| No balance due HEARING COMPLETED · DISMISSED | 2025-05-27 | Dos - Enforcement Agents | ILLEGAL POSTING OF HANDBILL NOTICE | FRIENDS OF COLLIN THOMPSON | $0 / $0 / $0 | 049125496H |
| No balance due HEARING COMPLETED · DISMISSED | 2025-05-27 | Dos - Enforcement Agents | ILLEGAL POSTING OF HANDBILL NOTICE | FRIENDS OF COLLIN THOMPSON | $0 / $0 / $0 | 049125493M |
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-10; last loaded 2026-11-10
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 2026-11-04; last loaded 2026-11-10; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-10
HPD housing-code violations 0 open of 0
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.
No records found in this dataset for this lot.
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-10; last loaded 2026-11-10
HPD complaints 0
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.
No records found in this dataset for this lot.
Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-10; last loaded 2026-11-10
311 requests (last 12 months) 6
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 |
|---|---|---|---|---|
| 2026-07-19 | DOT | Street Sign - Dangling – Other/Unknown | Closed | 2026-08-10 |
| 2026-06-02 | DSNY | Obstruction – Trash or Recycling | Closed | 2026-06-05 |
| 2026-06-02 | DSNY | Litter Basket Request – Replacement Basket | Closed | 2026-06-05 |
| 2026-02-24 | DSNY | Snow or Ice – Sidewalk | Closed | 2026-02-26 |
| 2025-12-18 | TLC | For Hire Vehicle Complaint – Driver Complaint - Non Passenger | Closed | 2026-01-09 |
| 2025-12-02 | TLC | For Hire Vehicle Complaint – Driver Complaint - Non Passenger | Closed | 2026-01-08 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-10; last loaded 2026-11-10
Nearby properties
Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.
More in Upper East Side-Carnegie Hill: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
Closest on 1 Ave
- 1513 1st Avenue (216 ft) (five open items)
- 1512 1st Avenue (223 ft) (16 open items)
- 1540 1st Avenue (267 ft) (15 open items)
- 1502 1st Avenue (316 ft) (27 open items)
- 1500 1st Avenue (340 ft) (23 open items)
- 1501 1st Avenue (388 ft) (37 open items)
Open-item counts as of November 10, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs