Service Objects DOTS Address Validation

Best for: Regulated or enterprise workloads - compliance attestations and an enterprise plan; AI agents and automation - an agent-ready surface (MCP / llms.txt); Teams needing broad API coverage out of the box

Avoid if: You need transparent pricing up front; You want to try it free before paying

• ██████░░░░
  60 / 100
  Agent friendliness
• █▒░░░░░░░░
  15 / 100
  Pricing transparency
• ███████▒░░
  75 / 100
  Setup speed
• █▒░░░░░░░░
  15 / 100
  Docs quality
• █████▒░░░░
  55 / 100
  Procurement ease
• ██████░░░░
  63 / 100
  Trust readiness

Scores are computed deterministically from this profile's published, sourced fields (pricing, compliance, capabilities, docs and developer-surface signals) - not from reviews or paid placement. Each axis is 0-100; an unknown signal scores 0 for that axis. Procurement ease is the inverse of buying friction (higher = easier to adopt).

Pricing model

Contact sales [2]serviceobjects.com/about-us/why-service-objects/flexible-pricing/“Please call us at 1-800-694-6269 or create an account for immediate access to all 22 data validation APIs”serviceobjects.com/blog/why-is-pricing-so-hard/“it is even more important to start from your specific business problems, as opposed to a price list”

Published pricing

✗ No [3]serviceobjects.com/about-us/why-service-objects/flexible-pricing/“Transparent, predictable pricing models designed to meet your current and future data quality requirements without surprises”

Free tier

✗ No [4]serviceobjects.com/address-validation-us/“Test the service for free with 500 complimentary transactions”serviceobjects.com/about-us/why-service-objects/flexible-pricing/“All our web service APIs are available for free testing. create an account for immediate access to all 22 data validation APIs”

Self-serve signup

✓ Yes [5]serviceobjects.com/about-us/why-service-objects/flexible-pricing/“create an account for immediate access to all 22 data validation APIs”

Requires sales call

✗ No

Enterprise plan

✓ Yes [6]serviceobjects.com/support/service-level-agreement/“eligibility requires recurring month-to-month or pre-paid annual subscriptions”serviceobjects.com/about-us/why-service-objects/flexible-pricing/“Transparent, predictable pricing models designed to meet your current and future data quality requirements without surprises”

• USPS CASS certified
• International coverage
• Geocode append

Supported actions

validate_address, validate_address_with_dpv, validate_address_with_rdi, validate_address_with_suite_link, validate_address_with_fragments, validate_address_with_extras, validate_address_single_line, validate_address_type, validate_city_state_zip, get_possible_matches, get_best_matches, get_best_matches_single_line, get_secondary_numbers, find_address_lines, parse_address, validate_canadian_address, validate_canadian_municipality_province, parse_canadian_address, get_address_info_international, geocode_append [7]serviceobjects.com/docs/dots-address-validation-us-3/“GetBestMatches, GetSecondaryNumbers, FindAddressLines, ValidateAddressWithDPV, ValidateAddressWithRDI, ValidateAddressWithSLK, ParseAddress, ValidateCityStateZip, GetBestMatchesSingleLine”serviceobjects.com/docs/dots-address-validation/“ValidateAddress, ValidateAddressWithExtras, ValidateAddressWithFragments, ValidateAddressWithDPV, ValidateAddressWithRDI, ValidateAddressWithSuiteLink, GetPossibleMatches, ValidateAddressSingleLine, ValidateCityStateZip, ValidateAddressType, ParseAddress”

Regions

United States (USPS CASS-certified, DPV, ZIP+4, 167 million USPS-recognized addresses plus 15 million non-USPS addresses), Canada (Canada Post standards, 15 million+ addresses, all 10 provinces and 3 territories, bilingual English/French), International (250+ countries and territories worldwide, 88% of countries at street level or better) [8]serviceobjects.com/address-validation-us/“Validates 167 million USPS-recognized addresses plus 15 million non-USPS addresses”serviceobjects.com/address-validation-international/“250+ countries and territories worldwide. Street-level or better accuracy: 88% of world's countries”serviceobjects.com/address-validation-canada/“over 15 million locations spanning all 10 provinces and 3 territories”

Languages

English, French, Japanese (transliteration), Chinese (transliteration), local scripts for multiple countries

Input types

structured address components (street, city, state/province, postal code), free-form single-line address string, business name (for SuiteLink operation), city/state/zip combination

Output types

standardized/corrected address, ZIP+4 code, DPV (Delivery Point Validation) codes and notes, Residential Delivery Indicator (RDI), parsed address fragments (directionals, suffix, PMB number), county name and code, congressional district code, carrier route, barcode digits, correction codes, error codes and descriptions, geocode (latitude/longitude, via Address Geocode product), JSON, XML, SOAP response

Webhooks

✗ No

Sandbox / test mode

✓ Yes [9]serviceobjects.com/docs/dots-address-validation-us-4/“Test the service for free with 500 complimentary transactions. The trial endpoint is located at: https://strial.serviceobjects.com/AV4/”serviceobjects.com/docs/dots-address-validation-us-3/“Trial: https://trial.serviceobjects.com/AV3/api.svc/ — separate from Live: https://sws.serviceobjects.com/AV3/api.svc/”

SDK languages

C# / .NET, C# / .NET (AV4 sample), Python (AV4 sample), JavaScript / Node.js (AV4 sample), Multi-language MCP server (Python)

MCP server

✓ Yes [10]github.com/ServiceObjects/MCP“This Model Context Protocol (MCP) python code sets up an MCP server and client with various APIs and operations from Service Objects.”

SOC 2

SOC 2 Type I [11]serviceobjects.com/support/security/“SOC 2 compliant with comprehensive audit covering data handling”serviceobjects.com/news-and-press/press-releases/service-objects-announces-completion-of-soc-2-certification-for-data-security/“Service Organization Control (SOC 2) Type 1 Certification for Data Security”

HIPAA

✗ No [12]serviceobjects.com/support/security/“Certifications listed: SOC 2, GDPR, CCPA/CPRA, PCI DSS, CASS, SSL/TLS — HIPAA is not mentioned on this security page”

GDPR

✓ Yes [13]serviceobjects.com/support/security/“GDPR: Certified compliant”serviceobjects.com/address-validation-us/“GDPR Certified”

ISO 27001

✗ No [14]serviceobjects.com/support/security/“Certifications listed: SOC 2, GDPR, CCPA/CPRA, PCI DSS, CASS, SSL/TLS — ISO 27001 is not mentioned on this security page”

PCI DSS

✓ Yes [15]serviceobjects.com/address-validation-canada/“SOC 2, GDPR, CCPA/CPRA, and PCI compliance”serviceobjects.com/support/security/“PCI DSS: Certified compliant”

Published SLA

✓ Yes [16]serviceobjects.com/support/service-level-agreement/“Service Objects guarantees 99.999% API availability with a financially backed Service Level Agreement. Credits vary by outage: 30 seconds to 1 hour = 1 day credit; 1-2 hours = 1 week credit; 2+ hours = 1 month credit.”

Known restrictions

Trial API key limited to 500 complimentary transactions (one-time, not a recurring free tier), RDI (Residential Delivery Indicator) operation requires special Service Objects agreement, US product validates US addresses only; Canada product covers Canada only; International product covers 250+ countries, No copies of real-time customer data or responses are stored by Service Objects, Pricing not published; requires contact with sales for quotes [17]serviceobjects.com/docs/dots-address-validation-us-4/“Test the service for free with 500 complimentary transactions”serviceobjects.com/support/security/“No copies of your real-time data nor your responses are stored”

• Docs
• Status page

Docs rendering: static

API style

rest

Base URL

https://sws.serviceobjects.com/AV4/

Version

4 (AV4; AV3 also active, AV1/AV-Plus legacy)

Versioning

url

Stability

ga

Auth methods

api_key

Error format

vendor-specific JSON/XML: object with Type, TypeCode (1=Authorization, 2=UserInput, 3=Fatal, 4=DomainSpecific), Desc, DescCode fields

SDKs

• C# / .NET DOTSAddressValidation3US_Standard · repo
• C# / .NET (AV4 sample) · repo
• Python (AV4 sample) · repo
• JavaScript / Node.js (AV4 sample) · repo
• Multi-language MCP server (Python) · repo

• Auth docs
• Quickstart
• MCP server

Launched

2001-01-01

GA

2013-01-01

Notable customers

Amazon, Microsoft, Mastercard, American Express, Sony, Verizon, Visa, Xerox

• Lob Address Verification

  "Avoid mail missteps and make failed deliveries a thing of the past."

  Hybrid · free tier · public pricing · self-serve

• Loqate Address Verification

  "Global address verification that ensures you reach your customers, every time."

  Usage · public pricing · self-serve

• PostGrid Address Verification

  "Autocomplete, Verify, Validate, and Standardize addresses across 250+ countries & territories to local postal standards"

  Hybrid · public pricing · self-serve

• Melissa

  Global data quality and enhancement solutions to profile, verify, clean, update, match, and integrate People data.

  Hybrid · free tier · public pricing · self-serve

• Smarty (US & International Address Verification)

  "Address data on easy mode"

  Subscription · public pricing · self-serve

• Precisely Verify (Address Verification)

  "Deliver accurate, consistent, contextual data to your business - wherever and whenever it's needed."

  Sales-led · self-serve

Service Objects DOTS Address Validation alternatives · Service Objects DOTS Address Validation vs Lob Address Verification · All Address Validation APIs APIs

Each field above carries a numbered source - hover for a preview, click to jump here.

1. ↑Description: serviceobjects.com
2. ↑Pricing model: serviceobjects.com · serviceobjects.com
3. ↑Published pricing: serviceobjects.com
4. ↑Free tier: serviceobjects.com · serviceobjects.com
5. ↑Self-serve signup: serviceobjects.com
6. ↑Enterprise plan: serviceobjects.com · serviceobjects.com
7. ↑Supported actions: serviceobjects.com · serviceobjects.com
8. ↑Regions: serviceobjects.com · serviceobjects.com · serviceobjects.com
9. ↑Sandbox: serviceobjects.com · serviceobjects.com
10. ↑MCP server: github.com
11. ↑SOC 2: serviceobjects.com · serviceobjects.com
12. ↑HIPAA: serviceobjects.com
13. ↑GDPR: serviceobjects.com · serviceobjects.com
14. ↑ISO 27001: serviceobjects.com
15. ↑PCI DSS: serviceobjects.com · serviceobjects.com
16. ↑Published SLA: serviceobjects.com
17. ↑Known restrictions: serviceobjects.com · serviceobjects.com

Every field change, who made it, and when - from our audited data pipeline and editors.

1. 2026-06-15 Score Agent Friendliness: 40 → 60
2. 2026-06-14 Robots Allows Agents: (none) → Yes
3. 2026-06-14 Has Structured Data: (none) → Yes
4. 2026-06-14 Capabilities: {} → {"international":true,"cass_certified":true,"geocode_append":true}
5. 2026-06-14 Summary Md: (none) → Service Objects DOTS Address Validation is a USPS CASS-certified REST API for v…
6. 2026-06-14 Score Trust Readiness: (none) → 63
7. 2026-06-14 Best For: (none) → Regulated or enterprise workloads - compliance attestations and an enterprise p…
8. 2026-06-14 Avoid If: (none) → You need transparent pricing up front, You want to try it free before paying
9. 2026-06-14 Scoring Methodology: (none) → Scores are computed deterministically from this profile's published, sourced fi…
10. 2026-06-14 Score Procurement Friction: (none) → 55
11. 2026-06-14 Score Agent Friendliness: (none) → 40
12. 2026-06-14 Score Pricing Transparency: (none) → 15
13. 2026-06-14 Score Setup Speed: (none) → 75
14. 2026-06-14 Score Docs Quality: (none) → 15
15. 2026-06-14 Llms Txt Present: (none) → No
16. 2026-06-14 Docs URL: (none) → https://docs.serviceobjects.com
17. 2026-06-14 Status Page URL: (none) → https://status.serviceobjects.com
18. 2026-06-14 Rendering: (none) → static
19. 2026-06-14 Free Tier Available: set to No
20. 2026-06-14 Self Serve Signup: set to Yes
21. 2026-06-14 Requires Sales Call: set to No
22. 2026-06-14 Enterprise Plan Available: set to Yes
23. 2026-06-14 SOC 2: set to type_1
24. 2026-06-14 HIPAA: set to No
25. 2026-06-14 GDPR: set to Yes
26. 2026-06-14 ISO 27001: set to No
27. 2026-06-14 PCI DSS: set to Yes
28. 2026-06-14 SLA Published: set to Yes
29. 2026-06-14 SLA URL: set to https://www.serviceobjects.com/support/service-level-agreement/
30. 2026-06-14 Data Retention Policy URL: set to https://www.serviceobjects.com/privacy-policy/
31. 2026-06-14 Known Restrictions: set to Trial API key limited to 500 complimentary transactions (one-time, not a recurr…
32. 2026-06-14 Auth Methods: set to api_key
33. 2026-06-14 Auth Docs URL: set to https://www.serviceobjects.com/docs/dots-address-validation-us-4/av4-operations…
34. 2026-06-14 API Style: set to rest
35. 2026-06-14 Base URL: set to https://sws.serviceobjects.com/AV4/
36. 2026-06-14 API Version: set to 4 (AV4; AV3 also active, AV1/AV-Plus legacy)
37. 2026-06-14 Versioning Scheme: set to url
38. 2026-06-14 Stability: set to ga
39. 2026-06-14 MCP URL: set to https://github.com/ServiceObjects/MCP
40. 2026-06-14 Quickstart URL: set to https://www.serviceobjects.com/blog/getting-started-with-your-service-objects-t…
41. 2026-06-14 Error Format: set to vendor-specific JSON/XML: object with Type, TypeCode (1=Authorization, 2=UserIn…
42. 2026-06-14 Requires Verification: set to No
43. 2026-06-14 Slug: set to service-objects
44. 2026-06-14 Launched At: set to 2001-01-01
45. 2026-06-14 GA Date: set to 2013-01-01
46. 2026-06-14 Notable Customers: set to Amazon, Microsoft, Mastercard, American Express, Sony, Verizon, Visa, Xerox
47. 2026-06-14 Fields Not Found: set to documented_rate_limits, minimum_commitment, Canada Post SERP/AMAS certification…
48. 2026-06-14 Source Confidence: set to high
49. 2026-06-14 Extractor: set to claude-subagent:sonnet
50. 2026-06-14 Last Verified At: set to 2026-06-14T00:00:00.000Z

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