Development Custom Software Development New YorkAPI Development

API Development in New York

API-first system design and implementation for products and integrations. This folder narrows the New York shortlist down to teams that fit this exact implementation angle.

15 vendorsNew York, USAAPI Development

No paid placements15 teams scored228 case studies combined11 verified profilesUpdated June 2026

All Custom Software Development Backend Development SaaS Development Internal Tools Development Dashboard and Admin Panel Development Portal Development API Development System Integrations

+6 more specializations on the New York Custom Software Development page

Filter by project budget

All budgets < $5K $5–15K $15–50K $50K+

Top 1Verified

Avex

New York, NY, USAagencyTeam 10-49

New York ecommerce agency with SEO and conversion support for DTC and Shopify-led growth teams.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

EcommerceAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed11 case studies13 named clients

Verified Jun 2026

70/100

GoodTop 45%

Build Fit

Direct build

Proof

Strong proof

From $6K/mo

Ecommerce-first positioning narrows the strongest-fit scenarios.

View profile Compare

Top 2Verified

Big Drop

New York, NY, USAagencyTeam 10-49

New York web and digital agency with SEO optimization for brands launching growth-focused websites.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

EcommerceAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed12 case studies15 named clients

Verified Jun 2026

70/100

GoodTop 45%

Build Fit

Direct build

Proof

Strong proof

From $5K/mo

Web-design heritage can make the SEO narrative feel less specialist than search-led agencies.

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Top 3Verified

Digital Silk

New York, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

EcommerceAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed70 case studies11 named clients

Verified Jun 2026

70/100

GoodTop 45%

Build Fit

Direct build

Proof

Strong proof

From $6K/mo

Broader agency scope may dilute pure-play SEO perception.

View profile Compare

Side-by-side comparison

Top 3 compared side-by-sideScore · Pricing · Proof

	Best score Avex 70/100 #1	Big Drop 70/100 #2	Digital Silk 70/100 #3
Pricing	$6K/mo	$5K/mo↑	$6K/mo
Case studies	11	12	70↑
Team size	10-49	10-49	10-49

Scroll to see more agencies

Verified

Flightpath

New York, NY, USAagencyTeam 10-49

New York digital agency with search, strategy, and UX depth for complex B2B and service-led brands.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

API DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed8 case studies9 named clients

Verified Jun 2026

86/100

ExcellentTop 15%

Build Fit

Direct build

Proof

Strong proof

From $5K/mo

View profile Compare

Verified

OpenMoves

Huntington, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

EcommerceEcommerce and B2B programsAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed20 case studies9 named clients

Verified Jun 2026

94/100

ExcellentTop 5%

Build Fit

Direct build

Proof

Strong proof

From $4K/mo

View profile Compare

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Verified

Lounge Lizard

New York, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

EcommerceAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed20 case studies9 named clients

Verified Jun 2026

70/100

GoodTop 45%

Build Fit

Direct build

Proof

Strong proof

From $5K/mo

Broad service mix can feel less specialist than a dedicated SEO-only operator.

View profile Compare

Verified

Top Notch Dezigns

New York, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

EcommerceAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed13 case studies7 named clients

Verified Jun 2026

70/100

GoodTop 45%

Build Fit

Direct build

Proof

Strong proof

From $3K/mo

Broader design + growth positioning can be lighter than a pure-play SEO specialist.

View profile Compare

Verified

Van West Media

New York, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

API DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed8 case studies14 named clients

Verified Jun 2026

70/100

GoodTop 45%

Build Fit

Direct build

Proof

Strong proof

From $3K/mo

Broader digital-agency positioning can feel less specialist than NYC SEO boutiques.

View profile Compare

Official Sources

Aumcore

New York, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

EcommerceEcommerce conversationsAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed35 case studies15 named clients

Verified Jun 2026

70/100

GoodTop 45%

Build Fit

Direct build

Proof

Strong proof

From $6K/mo

Enterprise-friendly posture can push the commercial floor upward.

View profile Compare

VerifiedOfficial Sources

Power Digital

New York, NY, USAagencyTeam 200+

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit

Shows relevant development delivery signals, with strong proof and clearer commercial signals.

API DevelopmentBackend DevelopmentConversion-focused Web DevelopmentApi Development proofMarket coveragePricing disclosed3 case studies

Verified Jun 2026

69/100

AverageBelow avg

Build Fit

Direct build

Proof

Strong proof

From $10K/mo

Broader operating model can outsize a minimal single-channel brief.

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How we rank these companies

Proof depth

Case studies, named clients, and verifiable source citations from official channels.

Pricing visibility

Disclosed project floors, retainer ranges, or hourly rates - not just 'contact us'.

Local coverage

Service regions, city-specific landing pages, and geography-relevant case evidence.

Specialist depth

Build type match for this exact specialization, not just broad development presence.

Confidence score

Data completeness and profile freshness - incomplete profiles rank lower.

Scores are calculated automatically from structured data. No paid placement affects ranking position.

What to verify before hiring for api development

Confirm domain model, API contract, and integration boundaries.

Check database, queue, cache, and infrastructure requirements.

Validate security, permissions, observability, and reliability controls.

Ask for tests around critical workflows and edge cases.

Require deployment, documentation, and handoff standards.

How to read a New York api development proposal

Proof of similar work

Ask for recent api development examples and make sure the team's role, stack, and outcome are clear.

Local-market fit

For New York, check whether the vendor can support your communication cadence, stakeholder overlap, and launch schedule.

Delivery ownership

Confirm who owns discovery, architecture decisions, implementation, QA, deployment, and post-launch fixes.

Acceptance criteria

Require milestones, acceptance criteria, performance targets, and handoff documentation before comparing price.

API Development in other cities

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Frequently asked questions

What makes this New York API Development page different?

This page narrows the broader New York Custom Software Development shortlist to vendors and buying criteria for api development, with a tighter checklist and proposal-review context.

Should I use this page or the broader Custom Software Development page?

Use this page when the build type is already clear. Use the broader Custom Software Development page when you are still comparing multiple implementation directions.

How should I compare API Development proposals?

Compare proof from similar work, technical ownership, launch risk, QA standards, and support model before treating price as the deciding factor.

Not sure which API Development team fits?

Use the recommendation flow to describe your project and get a matched shortlist.

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